Range of pressure reducing valves with DZR brass bodies. The capillary union and compression models are for use with copper pipe (manufactured to BSEN 1057). The inlets incorporate a stainless strainer. Reliance 315i Commercial Pressure Reducing Valves: Maximum supply pressure 21.0-25.0 bar - outlet adjustment range: 2.5 bar min. outlet pressure, 6.0 bar maximum outlet pressure. Maximum supply pressure 16.0-20.0 bar - outlet adjustment range: 2.0 bar min. outlet pressure, 6.0 bar maximum outlet pressure. Maximum supply pressure 11.0-15.0 bar - outlet adjustment range: 1.5 bar min. outlet pressure, 6.0 bar maximum outlet pressure. During January 2022 these products were for cold water use only. Between February 2022 and January 2027 the products are for use with water up to 65°C. Models added May 2025: Maximum supply pressure 25.0 Bar. Outlet adjustment range: 5.0 bar min, 10.0 bar maximum outlet pressure. Maximum operating temperature 65°C.

Section:

2200 Valves

Section Subtitle:

Pressure reducing.

WRAS Approval Number:

2201039

Size:

Please refer to model.

Marking:

Reliance Water Controls or RWC on pressure adjuster. DR, size and flow arrow on body

Installation Requirements:

R001 R120

Expiry date:

31/01/2027

Model:

PRED315010: ½” BSP (M). PRED315020: ¾” BSP (M). PRED315030: 1” BSP (M). PRED315010: ½” BSP (M). PRED315020: ¾” BSP (M). PRED315030: 1” BSP (M). PRED315040: 1¼” BSP (M). PRED315050: 1½” BSP (M). PRED315060: 2” BSP (M). PRED315070: 15mm Capillary Union. PRED315080: 22mm Capillary Union. PRED315090: 28mm Capillary Union. PRED315110: 28mm Compression. Models added May 2025 PRED315120: 1¼” BSP (M) PRED315125: 1½” BSP (M) PRED315130: 2” BSP (M)

Product Images

Approval Holder:

Reliance Worldwide Corporation

Company Name

Reliance Worldwide Corporation

Address

Horton Road, West Drayton

Postcode

UB7 8JL

Country

United Kingdom

Phone

+44 7730 052060

General Email

PETER.LANCASTER@RWC.COM

View All Listings by this Company

Range of pre-set, spring loaded, angled pressure relief valves, with a plastic body and EPDM diaphragm. The B312021 CST model only is pre-set at 4.0 bar, all other models are pre-set at 3.0 bar. The valves are fitted with either rotary type easing gear or hand operated lifting gear. Maximum operating temperature 99°C.

Section:

2210 Valves

Section Subtitle:

Pressure relief.

WRAS Approval Number:

2201812

Size:

see model

Marking:

Caleffi logo, Caleffi hydronic solution, flow arrow, CE, pressure rating.

Installation Requirements:

R001 R200

Expiry date:

31/12/2025

Model:

B312016 BSC: 20.68mm OD manifold connection x 23.12mm OD spigot. B312024 BSC: 20.68mm OD manifold connection x 22.61mm OD spigot. B312494 CST: 19.72mm OD manifold connection x ½” BSP(M) B312093 VIS: 19.72mm OD manifold connection x 21.04mm OD pipe connection. B312090 CST: 20.68mm OD manifold connection x ½” BSP (M). B312021 CST: 20.68mm OD manifold connection x 17.83mm OD pipe connection.

Approval Holder:

Caleffi S.p.A

Company Name

Caleffi S.p.A

Address

Strada Regionale 229 n. 25 Fontaneto d'Agogna (NO)

Postcode

28010

Country

Italy

Phone

+39 0322 8491

General Email

gary.perry@caleffi.com

View All Listings by this Company

Manufacturer:

Caleffi S.p.A

Company Name

Caleffi S.p.A

Address

Strada Regionale 229 n. 25 Fontaneto d'Agogna (NO)

Postcode

28010

Country

Italy

Phone

+39 0322 8491

General Email

gary.perry@caleffi.com

View All Listings by this Company

Range of bronze bodied pre-set pressure relief valves (available between 0.2-16 bar on each model) incorporating a manually operated easing gear with brass seat and PTFE or EPDM washers. Maximum operating temperature 85°C.

Section:

2210 Valves

Section Subtitle:

Pressure relief.

WRAS Approval Number:

2111376

Size:

see model

Marking:

BOSS, MODEL DN, PRESUURE RATING ON DATA PLATE ON BODY DN, SIZE & FLOW ARROW ON BODY

Installation Requirements:

R001 R120

Expiry date:

30/11/2026

Model:

PRESSURE RELIEF VALVES BOSS 957 15MM, BOSS 959 15MM - DN15 - ½”, BOSS 957 20MM, BOSS 959 20MM - DN20 - ¾", BOSS 957 25MM, BOSS 959 25MM - DN25 - 1", BOSS 957 32MM, BOSS 959 32MM - DN32 - 1 1⁄4"" BOSS 957 40MM, BOSS 959 40MM - DN40 - 1 ½", BOSS 957 50MM & BOSS 959 50MM - DN50 - 2".

Product Images

Approval Holder:

BSS Industrial

Company Name

BSS Industrial

Address

Travis Perkins PLC Ryehill House Rye Hill Cose Lodge Farm Industrial Estate Northampton

Postcode

NN5 7UA

Country

United Kingdom

Phone

07392109053

General Email

benjamin.cockerill@travisperkins.co.uk

View All Listings by this Company

Range of pressure relief valves pre-set at 3.0 bar with brass bodies and a EPDM membrane. Valve incorporates a manually operated easing gear. Maximum operating temperature 85°C.

Section:

2210 Valves

Section Subtitle:

Pressure relief.

WRAS Approval Number:

2201331

Note:

For closed circuit use only.

Size:

See model.

Marking:

Watts logo and flow arrow on body Watts logo, CE and 0425 on cap

Installation Requirements:

R001 R200

Expiry date:

31/01/2027

Model:

0206429 – MSL/E30.1/2”SA - OR – ½” BSP (M) x ½” BSP (F) 0205034 – MSPF/E30.1/2”SA – 19.98mm Ø manifold connection x ½” BSP (F)

Product Images

Approval Holder:

Watts Industries Italia S.R.L

Company Name

Watts Industries Italia S.R.L

Address

Via Vienna, 3 38121 - Trento (TN) Italy

Phone

+39 0461 965 111

General Email

info@wattsindustries.it

View All Listings by this Company

Manufacturer:

Watts Industries Italia S.R.L

Company Name

Watts Industries Italia S.R.L

Address

Via Vienna, 3 38121 - Trento (TN) Italy

Phone

+39 0461 965 111

General Email

info@wattsindustries.it

View All Listings by this Company

Range of latching and non-latching solenoid valves with brass bodies and an integral stainless-steel strainer. X262513141 (abc) (dd) models have a NBR ‘O’-Ring and diaphragm, all other models have an EPDM ‘O’-Ring and diaphragm. Maximum working pressure: see model. Maximum operating temperatures: X262513141(abc)(dd) models 65°C, all other models 85°C.

Section:

2230 Valves

Section Subtitle:

Solenoid, metal.

WRAS Approval Number:

2112044

Size:

E262K prefix models: ¼” BSP (F) inlet and outlet. H262K prefix and X262513141 prefix models 15mm compression inlet and outlet.

Marking:

Asco (brand of Emerson), model, PN, year of manufacture (YYYY) and other technical information on adhesive label on coil.

Installation Requirements:

R001

Expiry date:

31/12/2026

Model:

Latching models: H262K640(cc)(ddd)(ee) - 10.0 bar, H262K641(cc)(ddd)(ee) - 10.0 bar, H262K642(cc)(ddd)(ee) - 3.0 bar, H262K643(cc)(ddd)(ee) - 2.0 bar, H262K644(cc)(ddd)(ee) - 0.7 bar, AC power models: EM0 mounting option only: E or H262K019(cc)(ddd)(ee) - 10.0 bar, E262K020(cc)(ddd)(ee) - 10.0 bar, E or H262K022(cc)(ddd)(ee) - 10.0 bar, E or H262K090(cc)(ddd)(ee) - 2.0 bar, EM0 or PM0 mounting option: E262K108(cc)(ddd)(ee) - 10.0 bar, E or H262K232(cc)(ddd)(ee) - 10.0 bar, E or H262K202(cc)(ddd)(ee) - 10.0 bar, E262K208(cc)(ddd)(ee) - 6.5 bar, E or H262K210(cc)(ddd)(ee) - 5.0 bar. DC power models: E or H262K019(cc)(ddd)(ee) - 10.0 bar, E262K020(cc)(ddd)(ee) - 10.0 bar, E or H262K022(cc)(ddd)(ee) - 6.5 bar, E or H262K090(cc)(ddd)(ee) - 1.5 bar, E262K108(cc)(ddd)(ee) - 10.0 bar, E or H262K232(cc)(ddd)(ee) - 7.0 bar, E or H262K202(cc)(ddd)(ee) - 3.5 bar, E262K208(cc)(ddd)(ee) - 2.0 bar, E or H262K210(cc)(ddd)(ee) - 1.5 bar. Where: (cc) defines the electrical connection - S0 or S1. (ddd) defines the mounting options - EM0 or PM0. (ee) defines voltage/class according to global voltage list AC or DC power models: X262513141(abc)(dd) Where: (a) denotes: 0 = without connector or 1 = with connector. (b) denotes: 0 = latching, 1 = AC/DC std power or 2 = AC/DC low power. (c) denotes the size of the orifice: 1 = 1.2mm, 2 = 2.0mm, 3 = 3.2mm, 4 = 4.0mm & 5 = 6.7mm. (dd) voltage/class according to global voltage list. For X262 model maximum working pressures are as follows: AC models: 1.2mm - 3.2mm orifice - 10.0 bar, 4.0mm orifice - 6.5 bar, 6.7mm orifice - 2.0 bar. DC models: 1.2mm - 2.0mm orifice - 10.0bar, 3.2mm orifice - 6.5 bar, 4.0mm orifice - 3.5 bar, 6.7mm orifice - 1.5 bar.

Product Images

Approval Holder:

Emerson Automation Fluid Control & Pneumatics Italy Srl.

Company Name

Emerson Automation Fluid Control & Pneumatics Italy Srl.

Address

Strada per Cernusco 19 20060 Bussero (MI)

Country

Italy

View All Listings by this Company

Manufacturer:

Emerson Automation Fluid Control & Pneumatics UK Ltd & Emerson Automation Fluid Control & Pneumatics Poland Sp. z.o. o

Company Name

Emerson Automation Fluid Control & Pneumatics UK Ltd & Emerson Automation Fluid Control & Pneumatics Poland Sp. z.o. o

Postcode

WN8 9PG

View All Listings by this Company