Range of pilot operated pressure reducing control valves with ductile iron bodies (blue polyester or epoxy coating) and EPDM diaphragm. Maximum inlet pressure 25.0 bar. Outlet pressure setting is adjustable in the range of 1.0 – 16.0 bar. Maximum operating temperature 65°C.

Section:

2205 Valves

Section Subtitle:

Pressure reducing, pilot operated.

WRAS Approval Number:

2109007

Note:

Models prior to July 2022 were approved as cold water use only.

Size:

DN50, DN65, DN80, DN100, DN125, DN150, DN200, DN250, DN300.

Marking:

TALIS, flow arrow & DN on body BAYARD & date of manufacture (DDMMYYYY) on adhesive label on body

Installation Requirements:

R001

Expiry date:

30/09/2026

Model:

Hydrobloc Premium K1 11 (full bore). Hydrobloc Premium K1 11 (reduced bore).

Approval Holder:

Bayard

Company Name

Bayard

Address

4 Avenue Lionel Terray, ZI – CS 70047 Meyzieu

Postcode

69881

Country

France

Phone

06 07 68 25 17

General Email

adutrop@bayard.fr

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Manufacturer:

Bayard

Company Name

Bayard

Address

4 Avenue Lionel Terray, ZI – CS 70047 Meyzieu

Postcode

69881

Country

France

Phone

06 07 68 25 17

General Email

adutrop@bayard.fr

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Range of adjustable, pilot operated, pressure reducing control valves with black plastic bodies, EPDM diaphragm, EPDM ‘O’-rings and NBR seals. The products are supplied with auxiliary stainless-steel tubing, lever operated spherical valves, integral stainless-steel strainer, pilot valve and a quarter turn ceramic disc valve. Maximum inlet supply pressure 16.0 bar. Maximum outlet pressure 0 - 8.5 bar, 7.0 - 13.5 bar or 12.0 - 16.0 bar (see model). Maximum operating temperature 60°C.

Section:

2205 Valves

Section Subtitle:

Pressure reducing, pilot operated.

WRAS Approval Number:

2110108

Size:

DN50 - DN300 flanged.

Marking:

+GF+ NeoFlow & technical information on adhesive labels on control block and pilot valve.

Installation Requirements:

R001 R120

Expiry date:

31/10/2026

Model:

Range of +GF+ NeoFlow PRESSURE REDUCING VALVES adjustable pressure range: H = 0 - 8.5 bar, I = 7.0 - 13.5 bar, J = 12.0 - 16.0 bar.

Approval Holder:

Georg Fischer Piping Systems Ltd.

Company Name

Georg Fischer Piping Systems Ltd.

Address

Ebnatstrasse 111, Schaffhausen

Country

Switzerland

Phone

+41 79 2022958

General Email

peter.waefler@georgfischer.com

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Range of pre-set, spring loaded, angled pressure relief valves with plastic body and EPDM diaphragm. The valves are fitted with rotary type easing gear . For maximum working pressure please refer to model. Maximum operating temperature 99°C.

Section:

2210 Valves

Section Subtitle:

Pressure relief.

WRAS Approval Number:

2201805

Size:

SEE MODEL

Marking:

Caleffi logo, flow arrow and DN mould on body Date of manufacture (WWYY) and pressure printed on body Pressure printed on cap

Installation Requirements:

R001 R200

Expiry date:

31/01/2027

Model:

Series 253 ½” BSP (F) 253040 – Preset at 10.0 bar 253042 – Preset at 2.5bar 253043 – Preset at 3.0 bar 253044 – Preset at 4.0 bar 253046 – Preset at 6.0 bar 253048 – Preset at 8.0 bar 253040 TAK – Preset at 10.0 bar 253042 TAK – Preset at 2.5bar 253043 TAK – Preset at 3.0 bar 253643 VIS – Preset at 3.0 bar 253044 TAK – Preset at 4.0 bar 253046 TAK – Preset at 6.0 bar 253546 TXH – Preset at 6.0 bar 253048 TAK – Preset at 8.0 bar Series 253 ¾” BSP (F) 253050 – Preset at 10.0 bar 253052 – Preset at 2.5bar 253053 – Preset at 3.0 bar 253054 – Preset at 4.0 bar 253056 – Preset at 6.0 bar 253058 – Preset at 8.0 bar 253156 CST – Preset at 6.0 bar Series 2531 ½” BSP (F) 253140 CST – Preset at 10.0 bar 253140 – Preset at 10.0 bar 253142 – Preset at 2.5bar 253143 CST – Preset at 3.0 bar 253143 – Preset at 3.0 bar 253144 CST – Preset at 4.0 bar 253144 – Preset at 4.0 bar 253146 CST – Preset at 6.0 bar 253146 VIS – Preset at 6.0 bar 253148 CST – Preset at 8.0 bar 253148 – Preset at 8.0 bar 253246 CST – Preset at 6.0 bar Series 2531 ½” BSP (M) 253344 VIS – Preset at 4.0 bar 253346 CST – Preset at 6.0 bar 253346 VIS – Preset at 6.0 bar 253646 CST – Preset at 6.0 bar 253704 VIS – Preset at 4.0 bar Series 2534 ½” BSP (M) 253443 – Preset at 3.0 bar

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 pre-set pressure relief valves with bronze bodies and EPDM seating discs. Available with either a manual lever or dome type sealed cap. Pre-set relief pressures: DN15 and DN40 valves: 0.35 bar to 15.9 bar. DN20 valves: 0.35bar to 13.8bar. DN25, DN32 and DN50 valves: 0.35 bar to 12.5 bar. Maximum operating temperature 85°C.

Section:

2210 Valves

Section Subtitle:

Pressure relief.

WRAS Approval Number:

2110069

Size:

DN15 valves = ½” BSP (M) or (F). DN20 valves = ¾” BSP (M) or (F) or flanged. DN25 valves = 1” BSP (M) or (F) or flanged. DN32 valves = 1 ¼” BSP (M) or (F) or flanged. DN40 valves = 1 ½” BSP (M) or (F) or flanged. DN50 valves = 2” BSP (M) or (F) or flanged.

Marking:

EMERSON AUTOMATIONS, BAILEY, CE, maximum temperature, maximum pressure and other info on data plate on body. PN and flow arrow on body.

Installation Requirements:

R001

Expiry date:

31/10/2026

Model:

Fig 707 Code example 707 “X” “X” E “X” 1st “X” = 1 - (DN15), 2 - (DN20), 3 - (DN25), 4 - (DN32), 5 - (DN40), 6 - (DN50). 2nd “X” = 1 - (M) x (F) BSP, 2 - (F) x (F) BSP, 5 - PN25 Flange. 3rd “X” = L - Marine lever, D - Dome.

Approval Holder:

Emerson Automation Solutions Final Control UK Ltd

Company Name

Emerson Automation Solutions Final Control UK Ltd

Address

Sharp Street Worsley Manchester

Postcode

M28 3NA

Phone

0161 709 7741

General Email

safetysystemssupport@pentair.com

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Manufacturer:

Emerson Automation Solutions Final Control UK Ltd

Company Name

Emerson Automation Solutions Final Control UK Ltd

Address

Sharp Street Worsley Manchester

Postcode

M28 3NA

Phone

0161 709 7741

General Email

safetysystemssupport@pentair.com

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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:

31/01/2027

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

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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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