About Us News Our Products Export Items Our Services Contact US 中文版
+ Pneumatic Cylinder
+ Manifold Control Valves
+ Pneumatic Valves
+ Air Preparation
+ Ancillaries
+ Sub Zero Series
+ Custom Products
+ Hydraulic Valves
+ Electro-Hydraulic Actuators

Welcome to contact us!
Hong Kong Head Office: ( 852 )24108123  Shanghai Office: (021 )5878 0503
Products:
[Air Reservoirs]
[Breathers/ Mufflers]
[Check Valves (Series 1)]
[Check Valves (Series 2)]
[Flow Regulators(Series 1)]
[Flow Regulators(Series 2) ]
[Needle Valves(Series 1) ]
[Needle Valves(Series 2) ]
[Pressure Switches]
[Quick Exhaust Valves(Series 1)]
[Quick Exhaust Valves(Series 2)]
[Shuttle Valves(Series 1)]
[Shuttle Valves(Series 2)]
[Thermal Fuses]
[Visual Indicators]

Air Resevoirs

Air Reservoirs

General Description


Air Reservoirs
316 Stainless Steel wall mounted high quality air receivers with full penetration butt welds on all main seams.
Floor mounted units - details on application 

Back-up Reservoirs
316 Stainless Steel back-up reservoirs of tie-rod construction.

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases. 
Sour gas option available (details on application)

Liquids
Low pressure hydraulic, mineral oil or water.

Technical Data

Working Temperature
Air Reservoirs
   -50°C to +50°C (-58°F to +122°F)
Back-up Air Reservoirs
   -20°C to +70°C (-4°F to +158°F)

Working pressure (gases & liquids)
Air Reservoirs
  16 bar (232 psi)
  ASME VIII above 30 litres
  please check

Back-up Air Reservoirs
10 bar (145 psi)

Construction Materials

Body /Bonne /Bowl and Internals 
Stainless Steel AISI 316L to NACE MR-01-75

Design Codes
Air Reservoirs - Type SSR
Manufactured in accordance with:-

      PD 5500. Cat 3
      or  ASME VII Div 1

      (not U - Stamped)
      3rd Party Approval is mandatory

Breathers and Mufflers

Breathers/ Mufflers

General Description


N.R.V. Breathers
316 Stainless Steel non return breather to prevent ingress
into exhaust and vent ports.

Breathers (Silencers)
316 Stainless Steel sintered element silencers
used to protect ports open to the atmosphere.

'Bug Screen' Port Vent
316 Stainless Steel sintered element used to protect vent ports to atmosphere.

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases. 
Sour gas option available (details on application)

Liquids
Low pressure hydraulic, mineral oil or water.

Technical Data

Working temperature
 -20°C to +70°C (-4°F to +158°F)

Maximum flow L/min (SCFM) - Cv(Kv)
at 6 bar (87 psi), 1 bar (14.5 psi) differential

N.R.V. Breathers
1/4"     646 (23)    - 0.65 (10)
3/8"   1300 (45)    - 1.30 (20)
1/2"   1550 (54)    - 1.60 (24)

Cv (Kv)
1/4" - 2.4 (34.0)   3/8" - 3.3 (47.0)
1/2" - 4.4 (63.0)   3/4" - 5.0 (71.0)
3/4" - 10.0 (145) High Flow version
1" - 15.0 (217) High Flow version

Breathers (Silencers)
1/4"    1550 (55)  - 1.5 (24)
3/8"    1940 (68)  - 2.0 (30)
1/2"    3410 (123)  - 3.5 (54)
3/4"    5500 (194)  - 5.5 (85)
1"      5700 (201)  - 5.7 (88)

Working pressure (gases & liquids)
12 bar (174 psi)

Check Valves

Check Valves (Series 1)

General Description

Non Return Valves
316 Stainless Steel non return valves for pressures up to 12 bar (174 psi)

316 Stainless Steel non return valves for pressures up to to 25 bar (362 psi)

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases. 
Sour gas option available (details on application)

Liquids
Low pressure hydraulic, mineral oil or water.

Technical Data

Exhaust Port Flow Regulator
1/4"    646 (23.0)    - 0.65 (10.0)
3/8"  1100 (39.0)    - 1.10 (17.0)
1/2"  1800 (64.0)    - 1.80 (28.0)

Maximum flow L/min (SCFM) - Cv(Kv)
at 6 bar (87 psi), 1 bar (14.5 psi) differential

Working temperature
-20°C to +70°C (-4°F to +158°F)

Needle Valve (3mm orifice)
1/4"    290 (10.5)    - 0.30 (4.6)

Working pressure (gases & liquids)
12 bar (174 psi)
24 bar (362 psi)

Non Return Valves (12 bar)
1/4"    1600 (57)    - 1.6 (25.0)
3/8"    2200 (80)    - 2.3 (35.0)
1/2"    3800 (137)   - 3.9 (60.0)
3/4"    5800 (205)   - 5.8 (90.0)
1"       7700 (274)   - 7.8 (120.0)

Minimum opening pressure
0.2 bar (2.90 psi)

Non Return Valves (25 bar)
1/4"      736 (26)    - 0.74 (11.4)
3/8"    1840 (45)    - 1.85 (28.5)
1/2"    2600 (91)    - 2.60 (40.0)

Construction Materials

Body
Stainless steel AISI 316L to NACE MR-0175
Brass CZ 121M

Internal parts
Stainless steel AISI 316L to NACE MR-0175

Springs
316 Stainless steel

Seals
Nitrile

Check Valves

Check Valves (Series 2)

General Description

Non Return Valves
316 Stainless Steel non return valves for pressures up to 12 bar (174 psi)

316 Stainless Steel non return valves for pressures up to to 25 bar (362 psi)

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases. 
Sour gas option available (details on application)

Liquids
Low pressure hydraulic, mineral oil or water.

Technical Data

Exhaust Port Flow Regulator
1/4"    646 (23.0)    - 0.65 (10.0)
3/8"  1100 (39.0)    - 1.10 (17.0)
1/2"  1800 (64.0)    - 1.80 (28.0)

Maximum flow L/min (SCFM) - Cv(Kv)
at 6 bar (87 psi), 1 bar (14.5 psi) differential

Working temperature
-50°C to +90°C (-58°F to +194°F)

Needle Valve (3mm orifice)
1/4"    290 (10.5)    - 0.30 (4.6)

Working pressure (gases & liquids)
12 bar (174 psi)
24 bar (362 psi)

Non Return Valves (12 bar)
1/4"    1600 (57)    - 1.6 (25.0)
3/8"    2200 (80)    - 2.3 (35.0)
1/2"    3800 (137)   - 3.9 (60.0)
3/4"    5800 (205)   - 5.8 (90.0)
1"       7700 (274)   - 7.8 (120.0)

Minimum opening pressure
0.2 bar (2.90 psi)

Non Return Valves (25 bar)
1/4"      736 (26)    - 0.74 (11.4)
3/8"    1840 (45)    - 1.85 (28.5)
1/2"    2600 (91)    - 2.60 (40.0)

Construction Materials

Body
Stainless steel AISI 316L to NACE MR-0175
Brass CZ 121M

Internal parts
Stainless steel AISI 316L to NACE MR-0175

Springs
316 Stainless steel

Seals
EPDM

4500 SZ Series Flow Regulators

Flow Regulators(Series 1)

General Description

Uni-directional
316 Stainless Steel or Brass in-line flow regulators for uni-directional operation (free flow return).

Bi-directional
316 Stainless Steel or Brass in-line flow regulators for bi-directional operation (separate flow control in each direction).

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases. 
Sour gas option available (details on application)

Liquids
Low pressure hydraulic, mineral oil or water.

Technical Data

Maximum flow L/min (SCFM) - Cv(Kv)
at 6 bar (87 psi), 1 bar (14.5 psi) differential

Uni-directional

1/4"    1000 (35)    - 1.0 (15.5)
3/8"    1680 (59)    - 1.7 (26.0)
1/2"    2520 (89)    - 2.5 (39.0)
3/4"    5428 (192)   - 5.4 (84.0)
1"       9820 (347)   - 9.8 (152)

Bi-directional
1/4"      620 (22)    - 0.6 ( 9.6)
3/8"    1290 (45)    - 1.3 (20.0)
1/2"    2000 (71)    - 2.0 (31.0)

Maximum flow
at 6 bar (87 psi), 1 bar (14.5 psi) differential
3/2 valves - 480 L/min (17 SCFM)
5/2 valves - 680 L/min (24 SCFM)

Working pressure (gases & liquids)
12 bar (174 psi)

Working temperature
-20°C to +80°C (-4°F to +176°F)

Construction Materials

Body
Stainless steel AISI 316L to NACE MR-0175
Brass CZ 121M

Seals
Nitrile 

Springs
316 Stainless steel

Internal parts
Stainless steel AISI 316L to NACE MR-0175

4500 SZ Series Flow Regulators

Flow Regulators(Series 2)

General Description

Uni-directional
316 Stainless Steel in-line flow regulators for uni-directional operation (free flow return).

Bi-directional
316 Stainless Steel in-line flow regulators for bi-directional operation (separate flow control in each direction).

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases.  

Technical Data

Maximum flow L/min (SCFM) - Cv(Kv)
at 6 bar (87 psi), 1 bar (14.5 psi) differential

Uni-directional

1/4"    1000 (35)    - 1.0 (15.5)
3/8"    1680 (59)    - 1.7 (26.0)
1/2"    2520 (89)    - 2.5 (39.0)
3/4"    5428 (192)   - 5.4 (84.0)
1"       9820 (347)   - 9.8 (152)

Bi-directional
1/4"      620 (22)    - 0.6 ( 9.6)
3/8"    1290 (45)    - 1.3 (20.0)
1/2"    2000 (71)    - 2.0 (31.0)

Maximum flow
at 6 bar (87 psi), 1 bar (14.5 psi) differential
3/2 valves - 480 L/min (17 SCFM)
5/2 valves - 680 L/min (24 SCFM)

Working pressure (gases)
12 bar (174 psi)

Working temperature
-50°C to +90°C (-58°F to +194°F)

Construction Materials

Body
Stainless steel AISI 316L to NACE MR-0175

Seals
EPDM

Spring 
316 Stainless steel

Internal parts
Stainless steel AISI 316L to NACE MR-0175

4500 SZ Series Flow Regulators

Needle Valves(Series 1)

General Description

Needle Valve
316 Stainless Steel needle valve with 3mm or 6mm orifice.

Exhaust Port Flow Regulators
316 Stainless Steel exhaust flow regulator/ breather supplied
complete with tamper proof cap.

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases. 
Sour gas option available (details on application)

Liquids
Low pressure hydraulic, mineral oil or water.

Technical Data

Exhaust Port Flow Regulator
1/4"    646 (23.0)    - 0.65 (10.0)
3/8"  1100 (39.0)    - 1.10 (17.0)
1/2"  1800 (64.0)    - 1.80 (28.0)

Maximum flow L/min (SCFM) - Cv(Kv)
at 6 bar (87 psi), 1 bar (14.5 psi) differential

Needle Valve (3mm orifice)
1/4"    290 (10.5)    - 0.30 (4.6)

Working pressure (gases & liquids)
12 bar (174 psi)

Working temperature
-20°C to +80°C (-4°F to +158°F)

Construction Materials

Body
Stainless steel AISI 316L to NACE MR-0175
Brass CZ 121M

Seals
Nitrile

Springs
316 Stainless steel

Internal parts
Stainless steel AISI 316L to NACE MR-0175

4500 SZ Series Flow Regulators

Needle Valves(Series 2)

General Description

Needle Valve
316 Stainless Steel needle valve with 3mm or 6mm orifice.

Exhaust Port Flow Regulators
316 Stainless Steel exhaust flow regulator/ breather supplied
complete with tamper proof cap.

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases. 

Technical Data

Exhaust Port Flow Regulator
1/4"    646 (23.0)    - 0.65 (10.0)
3/8"  1100 (39.0)    - 1.10 (17.0)
1/2"  1800 (64.0)    - 1.80 (28.0)

Maximum flow L/min (SCFM) - Cv(Kv)
at 6 bar (87 psi), 1 bar (14.5 psi) differential

Needle Valve (3mm orifice)
1/4"    290 (10.5)    - 0.30 (4.6)

Working pressure (gases)
12 bar (174 psi)

Working temperature
-50°C to +90°C (-58°F to +194°F)

Construction Materials

Body
Stainless steel AISI 316L to NACE MR-0175

Seals
EPDM

Springs
316 Stainless steel

Internal parts
Stainless steel AISI 316L to NACE

Pressure Switches

Pressure Switches

General Description

Pressure Switches (Air)
A compact fully adjustable pneumatically operated 316 Stainless Steel or Brass pressure switch with operating pressures up to 16 bar (232 psi). For use on fail safe systems.

    1. Compact / Lightweight.
    2. 5 pressure ratings.
    3. Integrated tagging facility.
    4. Fluoroelastomer seals.
    5. 3/2 and 5/2 versions.

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases. 
Sour gas option available (details on application)

Liquids
Low pressure hydraulic, mineral oil or water.

Technical Data

Ports
1/4" NPT (BSP option available)
1/8" NPT Pilot port

Maximum pilot pressure inlet
16 bar (232 psi)

Cv (Kv)
3/2 valves 0.5 (7.5)
5/2 valves 0.7 (10.5)

Pressure setting hysteresis
0.25 bar (3.63 psi)

Regulated pressure (adjustable)
For main directional valve
1.0 to 2.0 bar (14.5 to 29 psi)
1.0 to 4.0 bar (14.5 to 58 psi)
1.0 to 7.0 bar (14.5 to 102 psi)
1.0 to 10 bar (14.5 to 145 psi)
1.0 to 16 bar (14.5 to 232 psi)

Working pressure (gases & liquids)
For main directional valve
12 bar (174 psi)

Maximum flow
at 6 bar (87 psi), 1 bar (14.5 psi) differential
3/2 valves - 480 L/min (17 SCFM)
5/2 valves - 680 L/min (24 SCFM)

Working temperature
-20°C to +80°C (-4°F to +176°F)

(Note 16bar regulated pressure must be fed from independent supply to main directional valve)

Construction Materials

Body & Spool  
Stainless steel AISI 316L to NACE MR-0175

Seals & Diaphragm
Fluoroelastomer

Springs
316 Stainless steel

 

4500 Series Quick Exhaust Valves

Quick Exhaust Valves(Series 1)

General Description

Quick Exhaust Valves
316 Stainless Steel quick exhaust valves in 5 sizes

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases. 
Sour gas option available (details on application)

Liquids
Low pressure hydraulic, mineral oil or water.

Technical Data

Exhaust Port Flow Regulator
1/4"    646 (23.0)    - 0.65 (10.0)
3/8"  1100 (39.0)    - 1.10 (17.0)
1/2"  1800 (64.0)    - 1.80 (28.0)

Supply to outlet
1/4"    1290 (46)    - 1.3 (20.0)
3/8"    1810 (64)    - 1.8 (28.0)
1/2"    3810 (135)   - 3.8 (59.0)
3/4"    4520 (160)   - 4.5 (70.0)
1"       7700 (274)   - 7.8 (120.0)

Working temperature
-20°C to +70°C (-4°F to +158°F)

Outlet to exhaust
1/4"    2780 (98)    - 2.8 (43.0)
3/8"    3810 (135)  - 3.8 (59.0)
1/2"    6460 (228)  - 6.5 (100.0)
1"   11000 (388)  - 11.0 (170.0)

Working pressure (gases & liquids)
12 bar (174 psi)

Maximum flow L/min (SCFM) - Cv(Kv)
at 6 bar (87 psi), 1 bar (14.5 psi) differential

Construction Materials

Body
Stainless steel AISI 316L to NACE MR-0175

Seals
Nitrile

Springs
316 Stainless steel

Internal parts
Stainless steel AISI 316L to NACE MR-0175

4500 Series Quick Exhaust Valves

Quick Exhaust Valves(Series 2)

General Description

Quick Exhaust Valves
316 Stainless Steel quick exhaust valves in 5 sizes.

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases. 

Technical Data

Exhaust Port Flow Regulator
1/4"    646 (23.0)    - 0.65 (10.0)
3/8"  1100 (39.0)    - 1.10 (17.0)
1/2"  1800 (64.0)    - 1.80 (28.0)

Supply to outlet
1/4"    1290 (46)    - 1.3 (20.0)
3/8"    1810 (64)    - 1.8 (28.0)
1/2"    3810 (135)   - 3.8 (59.0)
3/4"    4520 (160)   - 4.5 (70.0)
1"       7700 (274)   - 7.8 (120.0)

Working temperature
-50°C to +90°C (-58°F to +194°F)

Outlet to exhaust
1/4"    2780 (98)    - 2.8 (43.0)
3/8"    3810 (135)  - 3.8 (59.0)
1/2"    6460 (228)  - 6.5 (100.0)
1"   11000 (388)  - 11.0 (170.0)

Working pressure (gases & liquids)
12 bar (174 psi)

Maximum flow L/min (SCFM) - Cv(Kv)
at 6 bar (87 psi), 1 bar (14.5 psi) differential

Construction Materials

Body
Stainless steel AISI 316L to NACE MR-0175

Seals
EPDM

Springs
316 Stainless steel

Internal parts
Stainless steel AISI 316L to NACE MR-0175

4500 Series Shuttle Valves

Shuttle Valves(Series 1)
Low Temperature -50°C/ -58°F Available

General Description


Shuttle Valves
316 Stainless Steel shuttle valves for three way "OR" function.

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases. 
Sour gas option available (details on application)

Liquids
Low pressure hydraulic, mineral oil or water.

Technical Data

Shuttle Valve
1/4"    1350 (45)    - 1.36 (21.0)
3/8"    1830 (65)    - 1.80 (28.4)
1/2"    3550 (126)   - 3.6 (55.0)
3/4"    5500 (194)   - 5.5 (85.0)
1"     9000 (319)  - 9.0 (140.0)

Quick Exhaust Valve c/w Flow Regulator
Supply to outlet
1/4"    1290 (46)    - 1.3 (20.0)
3/8"    1810 (64)    - 1.8 (28.0)
1/2"    3810 (135)   - 3.8 (59.0)

Working temperature
-20°C to +70°C (-4°F to +158°F)

Outlet to exhaust
1/4"    2780 (98)    - 2.8 (43.0)
3/8"    3810 (135)  - 3.8 (59.0)
1/2"    6460 (228)  - 6.5 (100.0)

Working pressure (gases & liquids)
12 bar (174 psi)

Maximum flow L/min (SCFM) - Cv(Kv)
at 6 bar (87 psi), 1 bar (14.5 psi) differential

Construction Materials

Body
Stainless steel AISI 316L to NACE MR-0175
Brass CZ 121M

Seals
Nitrile

Springs
316 Stainless steel

Internal parts
Stainless steel AISI 316L to NACE MR-0175

4500 Series Shuttle Valves

Shuttle Valves(Series 2)

General Description


Shuttle Valves
316 Stainless Steel shuttle valves for three way "OR" function.

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases. 

Technical Data

Shuttle Valve
1/4"    1350 (45)    - 1.36 (21.0)
3/8"    1830 (65)    - 1.80 (28.4)
1/2"    3550 (126)   - 3.6 (55.0)
3/4"    5500 (194)   - 5.5 (85.0)
1"     9000 (319)  - 9.0 (140.0)

Quick Exhaust Valve c/w Flow Regulator
Supply to outlet
1/4"    1290 (46)    - 1.3 (20.0)
3/8"    1810 (64)    - 1.8 (28.0)
1/2"    3810 (135)   - 3.8 (59.0)

Working temperature
-50°C to +90°C (-58°F to 194°F)

Outlet to exhaust
1/4"    2780 (98)    - 2.8 (43.0)
3/8"    3810 (135)  - 3.8 (59.0)
1/2"    6460 (228)  - 6.5 (100.0)

Working pressure (gases & liquids)
12 bar (174 psi)

Maximum flow L/min (SCFM) - Cv(Kv)
at 6 bar (87 psi), 1 bar (14.5 psi) differential

Construction Materials

Body
Stainless steel AISI 316L to NACE MR-0175

Seals
EPDM

Springs
316 Stainless steel

Internal parts
Stainless steel AISI 316L to NACE MR-0175

4500 Series Thermal Fuses
4500 Series Thermal Fuses

Thermal Fuses

General Description

Thermal Fuses
316 Stainless Steel thermal fuses for fire release. Available for temperature settings. 

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases. 
Sour gas option available (details on application)

Liquids
Low pressure hydraulic, mineral oil or water.

Technical Data

Working temperature
 -20°C to +70°C (-4°F to +158°F)
 -20°C to +96°C (-4°F to +205°F)
 -20°C to +102°C (-4°F to +216°F)
 -20°C to +124°C (-4°F to +255°F)
 -20°C to +137°C (-4°F to +279°F)
 -20°C to +200°C (-4°F to +392°F)

Shuttle Valve
10 bar (145 psi)

Maximum flow L/min (SCFM) - Cv(Kv)
at 6 bar (87 psi), 1 bar (14.5 psi) differential

 

Working pressure (gases & liquids)
12 bar (174 psi)

 

Construction Materials

Body
Stainless steel AISI 316L to NACE MR-0175

Seals
Nitrile

Springs
316 Stainless steel

Internal parts
Stainless steel AISI 316L to NACE MR-0175

4500 Series Visual Indicators

Visual Indicators

General Description

Visual Indicators
Compact 316 Stainless Steel panel mounted visual indicator with various colour options.

Operating Fluids

Gases
Filtered lubricated or non-lubricated air, inert gas, sweet (natural) gases. 
Sour gas option available (details on application)

Liquids
Low pressure hydraulic, mineral oil or water.

Technical Data

Working temperature
2°C to +70°C (36°F to +149F)

Working pressure (gases & liquids)
1 to 12 bar (14.5 to 174 psi)

Construction Materials

Body
Stainless steel AISI 316L to NACE MR-0175

Seals
Nitrile

Springs
316 Stainless steel

Internal parts
Stainless steel AISI 316L to NACE MR-0175

Visual Indicator Piston
Acetal

Visual Indicator asembly
Acetal with acrylic lens

Application: