Threaded Pressure Reducing Valves
Pressure reducing valves with threaded connection including BSP and NPT female and BSP male unions.
681 – WRAS Approved Bronze Pressure Reducing Valve for Water, Air & Neutral Gases
The 681 is an IMPA coded pressure reducing valve which is suitable for water up to 95°C, compressed air, neutral gas, neutral and non-sticking liquids.
Type
Direct-Acting
Size & Connections
15mm (1/2″) to 50mm (2″) • BSP Male Unions
Duty
Air • Neutral Gases • Water
Materials
Bronze Body • Bronze/Brass Internal Parts • EPDM Seals (FKM option)
Maximum Upstream Pressure
Up to 40 Bar (depending on version)
Downstream Pressure Range
0.5 to 15 Bar (depending on version)
Temperature
-20°C to 120°C (depending on version)
Compliance & Approvals
WRAS • ACS • DVGW • IMPA Coded
JV141002 – WRAS Approved Brass Pressure Reducing Valve for Water
The JV141002 is an economical WRAS approved pressure reducing valve which is suitable for water up to 80°C, Used in domestic water supply systems as well as commercial and industrial plants, this is a versatile valve suitable for many duties.
Type
Direct-Acting
Size & Connections
15mm (1/2″) to 100mm (4″) • BSP Female Threaded
Duty
Water
Materials
Brass Body • Brass Internal Parts • Stainless Steel Seat
Maximum Upstream Pressure
Up to 25 Bar
Downstream Pressure Range
0.5 to 6 Bar Adjustable (pre-set at 3 Bar)
Temperature
-10°C to 80°C
Compliance & Approvals
WRAS
JV140001 – Ductile Iron Pressure Reducing Valve for Steam, Air & Neutral Gases
An economical alternative option for the Spirax Sarco BRV, it’s a compact direct-acting pressure reducing valve which is suitable for steam, air and neutral gases.
Type
Direct-Acting
Size & Connections
15mm (1/2″) to 25mm (1″) • BSP Female
Duty
Air • Neutral Gases • Steam
Materials
Ductile Iron Body • Stainless Steel Bellows, Valve, Seat & Spring
Maximum Upstream Pressure
17 Bar
Downstream Pressure Range
0.14 to 8.6 Bar
Temperature
0°C to 210°C
Compliance & Approvals
3.1 Material Cert (on request)
683 – Bronze Pressure Reducing Valve for High-Pressure Air & Neutral Gases
The 683 is an IMPA coded pressure reducing valve which is suitable for high-pressure compressed air and neutral.
Type
Direct-Acting
Size & Connections
10mm (3/8″) to 32mm (1 1/4″) • BSP Female
Duty
Air • Neutral Gases
Materials
Bronze Body • Brass Internal Parts • NBR Seals
Maximum Upstream Pressure
Up to 50 Bar (32mm – 30 bar)
Downstream Pressure Range
1.5 to 10 Bar (depending on version)
Temperature
-10°C to 95°C (depending on version)
Compliance & Approvals
IMPA Coded
JV140020 – Marine Bronze Pressure Reducing Valve for Seawater, Liquids, Air & Neutral Gases
The JV140020 is an accurate and reliable direct acting pressure reducing valve used to maintain a pre-set downstream pressure. It is particularly suitable where a positive shut-off is required under “no flow” conditions. The construction materials of this pressure reducing valves make it suitable for seawater as well as many other duties.
Type
Direct-Acting
Size & Connections
15mm (1/2″) to 25mm (1″) • BSP Female
Duty
Seawater • Air • Neutral Gases • Water
Materials
Bronze Body & Internal Parts • NBR Diaphragm & Seals (FKM option)
Maximum Upstream Pressure
Up to 30 Bar
Downstream Pressure Range
1 to 10 Bar
Temperature
0°C to 80°C
Compliance & Approvals
3.1 Material Cert (on request)
JV140022 – Marine Bronze Pressure Reducing Valve for Seawater, Liquids, Air & Neutral Gases
The JV140022 is an accurate and reliable direct acting pressure reducing valve used to maintain a pre-set downstream pressure. It is particularly suitable where a positive shut-off is required under “no flow” conditions. The construction materials of this pressure reducing valves make it suitable for seawater as well as many other duties.
Type
Direct-Acting
Size & Connections
32mm (1 1/4″) to 50mm (2″) • BSP Female
Duty
Seawater • Air • Neutral Gases • Water
Materials
Bronze Body • CR Rubber or NBR Diaphragm • NBR Seals
Maximum Upstream Pressure
Up to 25 Bar
Downstream Pressure Range
1.5 to 10 Bar (depending on version)
Temperature
0°C to 75°C
Compliance & Approvals
3.1 Material Cert (on request)
CLASS T – Bailey Birkett Bronze Pressure Reducing Valve for Water, Oil, Air & Neutral Gases
Manufactured by Bailey Birkett, the Class T high-capacity pressure reducing valve is designed for use on installations that have a varying inlet pressure and capacity and which require positive shut off under no-load conditions.
Type
Direct-Acting
Size & Connections
15mm (1/2″) to 50mm (2″) • BSP Female
Duty
Air • Neutral Gases • Water • Oil (on request)
Materials
Bronze Body • Rubber Disc, Seals & Diaphragm *
Maximum Upstream Pressure
Up to 27 Bar
Downstream Pressure Range
0.7 to 4.8 Bar (Pressure should not be less than 10% of the inlet pressure.)
Temperature
-18°C to 82°C
* PTFE disc for outlet pressure above 8.2 bar. NBR disc, seals & diaphragm for oil option
684 – Bronze Pressure Reducing Valve for High-Capacity Liquids, Air & Gases
A high-performance and capacity bronze pressure reducing valve that is suitable for liquids, air and gases, supplied with a diaphragm as standard or an optional piston version. Pressure adjustment is carried out without tools via the ergonomically formed hand-wheel.
Type
Direct-Acting
Size & Connections
6mm (1/4″) to 50mm (2″) • BSP Female
Duty
Air • Neutral Gases • Water
Materials
Bronze Body • Brass Internal Parts • EPDM Seals (FKM option)
Maximum Upstream Pressure
Up to 60 Bar
Downstream Pressure Range
0.5 to 50 Bar (depending on version)
Temperature
-40°C to 120°C (-10 to 170°C for FKM seals)
LRV2 – Spirax Sarco Bronze Pressure Reducing Valve for Liquids
Manufactured by Spirax Sarco, the LRV2S is a direct-acting pressure valve for use on liquids and water. The compact design makes it ideal for point of use installations, providing accurate control of pressure under stable load conditions.
Type
Direct-Acting
Size & Connections
15mm (1/2″) to 25mm (1″) • BSP Female (NPT on request)
Duty
Liquids
Materials
Bronze Body • Bronze or Stainless Steel Bellows • Stainless Steel Valve Seat & Piston
Maximum Upstream Pressure
Up to 14 Bar
Downstream Pressure Range
0.35 to 8.6 Bar
Temperature
0°C to 75°C
BRV2 – Spirax Sarco SG Iron Pressure Reducing Valve for Steam, Air & Gases
Manufactured by Spirax Sarco, the BRV2S is a direct-acting pressure valve for use on steam, compressed air and other gases. The compact design makes it ideal for point of use installations, providing accurate control of pressure under stable load conditions.
Type
Direct-Acting
Size & Connections
15mm (1/2″) to 25mm (1″) • BSP Female (NPT & Flanged PN25 on request)
Duty
Air • Gases • Steam
Materials
SG Iron Body • Bronze or Stainless Steel Bellows • Stainless Steel Valve Seat
Maximum Upstream Pressure
Up to 19 Bar
Downstream Pressure Range
0.35 to 8.6 Bar
Temperature
0°C to 210°C
G4-2042 – Bailey Birkett Bronze Pressure Reducing Valve for Steam, Air & Gases
Manufactured by Bailey Birkett, the G4 series of pilot operated pressure reducing valves provide extremely accurate levels of pressure regulation for steam, air and industrial gas applications. The valve relies upon a stable pressure signal from the outlet pipework in order to maintain stable control of the outlet pressure.
Type
Pilot Operated
Size & Connections
15mm (1/2″) to 50mm (2″) • BSP Female
Duty
Air • Gases • Steam
Materials
Bronze Body • Stainless Steel Trim*
Upstream Pressure Range
0.7 to 35 Bar (dependent on duty)
Downstream Pressure Range
0.07 to 21 Bar
Temperature
-20°C to 260°C (dependent on trim, see datasheet for details)
Spares
Routine & Full Repair Kits Available – Available in our webshop
* Option of PTFE • Nitrile (31 bar max) • FKM (31 bar max)
481 – WRAS Approved Stainless Steel Pressure Reducing Valve for Water, Air & Neutral Gases
The 481 is a stainless steel pressure reducing valve which is suitable for water up to 95°C, compressed air, neutral gas, neutral and non-sticking liquids.
Type
Direct-Acting
Size & Connections
15mm (1/2″) to 50mm (2″) • BSP Male Unions
Duty
Air • Neutral Gases • Water
Materials
Stainless Body & Internal Parts • EPDM Seals (FKM option)
Maximum Upstream Pressure
Up to 40 Bar (depending on version)
Downstream Pressure Range
0.5 to 15 Bar (depending on version)
Temperature
-20°C to 120°C (depending on version)
Compliance & Approvals
WRAS • ACS • DVGW
484 – Stainless Steel Pressure Reducing Valve for High-Capacity Liquids, Air & Gases
A high-performance and capacity stainless steel pressure reducing valve that is suitable for liquids, air and gases, supplied with a diaphragm as standard or an optional piston version. Pressure adjustment is carried out without tools via the ergonomically formed hand-wheel.
Type
Direct-Acting
Size & Connections
6mm (1/4″) to 50mm (2″) • BSP Female
Duty
Air • Neutral Gases • Water
Materials
Stainless Steel Body & Internal Parts • EPDM Seals (FKM option)
Maximum Upstream Pressure
Up to 60 Bar
Downstream Pressure Range
0.5 to 50 Bar (depending on version)
Temperature
-40°C to 120°C (-10 to 120°C for FKM seals)