Valves

Section Code 2210 : Pressure relief.

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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
Expiry date:
31/12/2025
Size:
see model
Marking:
Caleffi logo, Caleffi hydronic solution, flow arrow, CE, pressure rating.
Installation Requirements:
R001 R200
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.
Manufacturer:
Caleffi S.p.A
Company Name
Caleffi S.p.A
Address
PLANT 2. S.R. 229 28010 Fontaneto d'Agogna (NO)
Country
Italy
Phone
+39 0322 8491

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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
Expiry date:
30/11/2026
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
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”.
Manufacturer:
Seetru Ltd
Company Name
Seetru Ltd
Address
Albion Dockside Works Bristol BS1 6UT

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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
Expiry date:
30/11/2026
Size:
see model
Marking:
BOSS, MODEL DN, PRESUURE RATING ON DATA PLATE ON BODY DN, SIZE & FLOW ARROW ON BODY
Installation Requirements:
R001 R120
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".
Factor:
BSS Industrial
Company Name
BSS Industrial
Address
BOSS Court 7 Barton Close Grove Park
Postcode
LE19 1SJ
Country
United Kingdom

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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
Expiry date:
31/05/2027
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
Model:
Art.487
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

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#2201331

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
Expiry date:
31/01/2027
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
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)
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

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