Valves

Section Code 2210 : Pressure relief.

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#2110069

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.
Product Images

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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#2201812

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

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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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#2111365

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.

Non-metallic materials and components comply with BS6920 at 85°C

Section:
2210 Valves
Section Subtitle:
Pressure relief.
WRAS Approval Number:
2111365
Size:
see model
Marking:
Seetru, date of manufacture (MM/YY), set pressure, model number etched on body. Flow arrow mould on body. CR located in inlet.
Installation Requirements:
R001 R120
Expiry date:
30/11/2026
Model:
LGS DN15 - ½”, LGS DN20 - ¾", LGS DN25 - 1", LGS DN32 - 1 ¼", LGS DN40 - 1 ½", LGS DN50 - 2". Model added April 2023. LGS DN65 – 2 ½”.
Product Images

Approval Holder:
Seetru Limited
Company Name
Seetru Limited
Address
Albion Dockside Works Bristol
Postcode
BS1 6UT
Country
United Kingdom
Phone
01179306137
General Email
jason.carter@seetru.com

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Manufacturer:
Seetru Limited
Company Name
Seetru Limited
Address
Albion Dockside Works Bristol
Postcode
BS1 6UT
Country
United Kingdom
Phone
01179306137
General Email
jason.carter@seetru.com

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#2111376

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

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#2205802

Pressure relief valve pre-set at 6.0 bar, with a brass body and EPDM seat washer. Maximum operating temperature 115°C.

Section:
2210 Valves
Section Subtitle:
Pressure relief.
WRAS Approval Number:
2205802
Note:
For closed circuit use only.
Size:
½” BSP (F) x ½” BSP (F)
Marking:
Officine Rigamonti logo (OR), size, PN10 and flow arrow on body. Made in Italy and 6.0 bar on cap
Installation Requirements:
R001 R200
Expiry date:
31/05/2027
Model:
Art.487

Approval Holder:
Officine Rigamonti Spa
Company Name
Officine Rigamonti Spa
Address
Via Circonvallazione 9, Officine Rigamonti spa 13018 Valduggia (VC)
Country
Italy
Phone
+39 0163 48 165 Fax: +39 0163347254
General Email
info@officinerigamonti.it

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Manufacturer:
Officine Rigamonti Spa
Company Name
Officine Rigamonti Spa
Address
Via Circonvallazione 9, Officine Rigamonti spa 13018 Valduggia (VC)
Country
Italy
Phone
+39 0163 48 165 Fax: +39 0163347254
General Email
info@officinerigamonti.it

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