สื่อ: | Fresh Water, Sewage, Sea Water, Air, Vapor, Food |
---|---|
อุณหภูมิ: | อุณหภูมิสูง |
วัสดุ: | Ci, Di / A126 Cl.B, Gg25, Ggg40, Ggg50, Qt450 |
ฟอร์มการเชื่อมต่อ: | Wafer Type |
โครงสร้าง: | Dual Plate Swing Check Valve |
แรงดัน: | Class 150lb-300lb;Pn10-Pn40 |
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Name | Double disc swing check valve |
Structure | double-disc swing check valve |
Size | 2"~24"; DN50~DN600 |
Normal pressure | Class 150~300; PN10,PN16,PN25 |
Design standard | API594,BS EN12334 |
Marked | MSS SP-25 |
End flange | ANSI B 16.5,ASME B16.47; EN1092,DIN2543~DIN2547 |
Face to Face | API594 ISO 5752-2, DIN3202,BS EN558-1 Series 50 |
Test standard | API598,API 6D; DIN3230, EN12266,ISO 5208 |
Suitable temperature | -29~120°C |
Medium | Fresh water, sewage, sea water, air, vapor, food, medicine, oils, alkalis, salt etc. |
Acidic environment | NACE MR0175 |
- Dual Plate |
-With Spring |
- Round, Full Lug or Double Flange |
-Pressure-temperaure Ratings: ASME B16.34;DIN2401 |
- Soft or Metal Seated |
- Retainer or Retainer Less Design |
- Wafer Ends to Suit for Flanged Ends(ASME B16.5 and B16.47 A/B) |
- Design:API594,API 6D,ASME B16.34,GB/T8937 |
- Flanged Ends to ASME B16.5;DIN2543~DIN2547;EN1092 |
- Material: CI,DI |
Part Names | Part Materials |
Body | CI,DI / A126 CL.B,GG25,GGG40, GGG50,QT450, A536 65-45-12 |
Disc | CF8,CF8M,Bronze |
Seat | EPDM/NBR/Viton |
Spring | Stainless steel 304,SS316 |
Seat Seal Ring | Brass,Bronize,Stainless steel |
Disc Seal Ring | Brass,Bronize,Stainless steel,NBR,EPDM |
Stop Pin | Stainless steel |
Pin Retainer | Stainless steel |
Washer | PTFE |
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