533 series of in-line, manually adjustable pressure reducing valves (DZR brass or brushed chrome plated DZR brass bodies) incorporating a stainless-steel strainer. All models except 533159 are supplied with a pressure gauge. Models with compression connection are for use with copper tube (manufactured to BS EN 1057). Maximum supply pressure 16.0 bar. Outlet pressures between 1.0 – 6.0 bar. Maximum operating temperature 40°C.

Section:

2200 Valves

Section Subtitle:

Pressure reducing.

WRAS Approval Number:

241204703

Basis of Compliance:

Tested to regulators Specification Test Code Sheets

Size:

Please refer to model.

Marking:

Caleffi or Caleffi logo, flow arrow and CR on body. Caleffi and product info on cap.

Installation Requirements:

R001 R120

Expiry date:

31/12/2029

Model:

533159: 22mm compression x ¾” captive nut. 533461: 1” BSP (F). 533641: 15mm compression. 533651: 22mm compression. 533741: 15mm compression. 533751: 22mm compression. 533841: 15mm compression. 533851: 15mm compression. Model added April 2025 533643 CST: 15mm compression

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

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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

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Range of adjustable, in-line pressure reducing valves with DZR brass bodies, incorporating a spring loaded EPDM diaphragm and a gauge port. The products incorporate an integral stainless steel strainer. The outlet pressure range is adjustable between 1.0 and 6.0 bar. Maximum inlet supply pressure 16.0 bar.

Non-metallic materials and components comply with BS6920 at 40°C

Section:

2200 Valves

Section Subtitle:

Pressure reducing.

WRAS Approval Number:

2306367

Size:

Please refer to model.

Marking:

Cla-Val and Series 80451 on cap. Caleffi, size, CR & flow arrow on body.

Installation Requirements:

R001 R120

Expiry date:

30/06/2028

Model:

80451-3: ½" BSP (M), 80451-4: ¾" BSP (M), 80451-6: 1" BSP (M), 80451-7: 1¼" BSP (M), 80451-8: 1½" BSP (M) & 80451-9: 2" BSP (M).

Approval Holder:

Cla-Val UK Ltd.

Company Name

Cla-Val UK Ltd.

Address

Dainton House 107 Goods Station Road Tunbridge Wells

Postcode

TN1 2DR

Country

United Kingdom

Phone

01892 514400

General Email

liam.kent@cla-val.co.uk

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Range of adjustable, in-line pressure reducing valves with blue epoxy coated, cast iron bodies. SP models: maximum supply pressure 25.0 bar, outlet pressure range 1.5 to 7.0 bar. HP models: maximum supply pressure 25.0 bar, outlet pressure range 3.0 to 12.0 bar. LP models: maximum supply pressure 8.0 bar, outlet pressure range 0.5 to 3.0 bar. Maximum operating temperature 60°C.

Section:

2200 Valves

Section Subtitle:

Pressure reducing.

WRAS Approval Number:

240702711

Basis of Compliance:

Tested to regulators Specification Test Code Sheets

Size:

DN50 to DN125 flanged inlet and outlet.

Marking:

Albion, model and set pressure range on label on body. Flow arrow on body.

Installation Requirements:

R001

Expiry date:

31/07/2029

Model:

ART 688 LP (0.5 – 3 bar outlet) ART 688 SP (1.5 – 7 bar outlet) ART 688 HP (3.0 – 12 bar outlet) ART 689 SP (1.5 – 7 bar outlet) ART 689 HP (3.0 – 12 bar outlet)

Approval Holder:

Albion Valves (UK) Limited

Company Name

Albion Valves (UK) Limited

Address

9a Fallbank Industrial Estate Dodworth Barnsley

Postcode

S75 3LS

Country

United Kingdom

Phone

01226 729900

General Email

samjed@albionvalvesuk.com

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Range of pre-set, in-line pressure reducing valves incorporating DZR brass or bronze bodies and a stainless-steel strainer. The valves are supplied with an adjustable pressure range between 0.5-6.0 bar. Maximum inlet supply pressure 25.0 bar; except for 536660 with 16.0 bar. Maximum operating temperature 85°C.

Section:

2200 Valves

Section Subtitle:

Pressure reducing.

WRAS Approval Number:

241204705

Basis of Compliance:

Tested to regulators Specification Test Code Sheets

Size:

see mdoel

Marking:

Caleffi logo, flow arrow, CR (on DZR brass models) and DN on body.

Installation Requirements:

R001 R120

Expiry date:

31/12/2029

Model:

Models with gauge port: 536040: ¾” BSP (M) x ½” BSP (M) Reducer 536050: 1” BSP (M) x ¾” BSP (M) Reducer 536060: 1¼” BSP (M) x 1” BSP (M) Reducer 536070: 1 ½” BSP (M) x 1 ¼” BSP (M) Reducer 536080: 2” BSP (M) x 1 ½” BSP (M) Reducer 536240: ½” BSP (F) 536250: ¾” BSP (F) 536260: 1” BSP (F) 536590: 2 ½” BSP x 2” BSP (M) Reducer 536660: DN65 536580: 1½” BSP (M) x 2” BSP (M) Reducer. 536252: ¾” x ¾” BSP (F) Models complete with pressure gauge: 536041: ¾” BSP (M) x ½” BSP (M) Reducer 536051: 1” BSP (M) x ¾” BSP (M) Reducer 536061: 1¼” BSP (M) x 1” BSO (M) Reducer 536071: 1 ½” BSP (M) x 1 ¼” BSP (M) Reducer 536081: 2” BSP (M) x 1 ½” BSP (M) Reducer 536241: ½” BSP (F) 536251: ¾BSP (F) 536261: 1” BSP (F) 536591: 2 ½” BSP x 2” BSP (M) Reducer 536581: 1½" BSP (M)

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

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Range of pre-set pressure relief valves incorporating DZR brass bodies and an EPDM diaphragms and PTFE washers. The valve is fitted with hand operated rotating easing gear. Maximum working – see model. Maximum operating temperature 85°C

Section:

2210 Valves

Section Subtitle:

Pressure relief.

WRAS Approval Number:

250604703

Basis of Compliance:

Tested to regulators Specification Test Code Sheets

Size:

see model

Marking:

SYR, size, DR and flow arrow on body. Size, Reliance logo, PREL 102 and pressure rating on cap.

Installation Requirements:

R001

Expiry date:

1/06/2030

Model:

PREL102014 1/2” FBSP x 1/2” FBSP 3.5 Bar PREL102008 1/2” FBSP x 1/2” FBSP 5.0 Bar PREL102001 1/2” FBSP x 1/2” FBSP 6.0 Bar PREL102025 1/2” FBSP x 1/2” FBSP 7.0 Bar PREL102004 1/2” FBSP x 1/2” FBSP 8.0 Bar PREL102040 1/2” MBSP x 1/2” FBSP 3.5 Bar PREL102041 1/2” MBSP x 1/2” FBSP 5.0 Bar PREL102042 1/2” MBSP x 1/2” FBSP 6.0 Bar PREL102043 1/2” MBSP x 1/2” FBSP 8.0 Bar PREL102009 1/2” MBSP x 15mm 3.5 Bar PREL102003 1/2” MBSP x 15mm 5.0 Bar PREL102005 1/2” MBSP x 15mm 6.0 Bar PREL102044 1/2” MBSP x 15mm 8.0 Bar PREL102045 3/4” FBSP x 3/4” FBSP 3.5 Bar PREL102046 3/4” FBSP x 3/4” FBSP 5.0 Bar PREL102031 3/4” FBSP x 3/4” FBSP 6.0 Bar PREL102047 3/4” FBSP x 3/4” FBSP 8.0 Bar PREL102048 3/4” MBSP x 3/4” FBSP 3.5 Bar PREL102118 3/4” MBSP x 3/4” FBSP 5.0 Bar PREL102018 3/4” MBSP x 3/4” FBSP 6.0 Bar PREL102024 3/4” MBSP x 3/4” FBSP 8.0 Bar PREL102020 3/4” MBSP x 22mm 3.5 Bar PREL102049 3/4” MBSP x 22mm 5.0 Bar PREL102027 3/4” MBSP x 22mm 6.0 Bar PREL102050 3/4” MBSP x 22mm 8.0 Bar PREL102023 3/4” FBSP x 3/4” FBSP 4.0 Bar PREL102110 1/2” MBSP x 1/2” MBSP 4.0 Bar PREL102111 1/2” MBSP x 15mm 4.0 Bar PREL102105 1/2” MBSP x 15mm 6.0 Bar

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

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