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1" BSPP Fig 642 Safety Valve Pre-Set To 7.5 Bar

Excl. VAT: £250.44
Incl. VAT: £300.53
Product Code: ART642-025-7.5
Quantity:

1" BSPP Fig 642 Safety Valve Pre-Set To 7.5 Bar
Albion 1" BSPP ART 642 Gunmetal Safety Valve is a screwed safety valve which is suitable for gases, liquids and steam. Available in a set pressure range from 0.5-16 Bar.

  • Features
  • Screwed BSP Parallel (ISO 228)
  • Gunmetal body
  • Suitable for Gas, Liquid & Steam
  • Fitted with Diaphragm to Protect Spring Housing
  • Set Range 0.5 to 16 Bar
  • WRAS approved (½" - 1¼")
  • ISO 4126-1, PED 2014/68/EU, TRD 421
  • Classification - GL, DNV
  • Typical Applications
  • Pressure vessels
  • Mechanical engineering
  • Pump protection
  • Pressure booster systems water/air-side
  • Cooling/Chilling Systems
  • Steam and Industrial boiler systems
Set Pressure 7.5 Bar
Working Temperature EPDM Diaphragm
-50°C to +195°C

Discharge Capacities

DN 25
Bar Air
Nm³/h
Steam
kg/h
Water
m³h
Heating
kW
0.5 105 79 3.4 51
1 156 123 4.6 78
2 266 208 6.5 128
3 372 289 8.0 175
4 477 368 9.2 219
5 574 443 10.3 260
6 671 518 11.3 299
7 768 593 12.2 338
8 865 668 13.1 376
9 963 743 13.9 414
10 1060 818 14.6 451
11 1157 892 15.3 487
12 1254 967 16.0 523
13 1351 1042 16.7 559
14 1448 1117 17.3 594
15 1545 1192 17.9 629
16 1643 1267 18.5 664

Materials

N. Part Name Materials
1 Body Gunmetal
2 Housing Cap Brass / Gunmetal
3 Spring Housing Brass / Gunmetal
4 Lifting Lever Stainless Steel CF8M
5 Spring Stainless Steel 302
6 Seat-Seal PTFE
7 Diaphragm EPDM

Dimensions

DN 1"
L 45
L max 78
H 120
h 38
Hmax 133
SW 41
do 18
kg 1.1



Datasheets

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