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Series 31H

Resilient Seated Butterfly Valve

 

Product description

A lugged manual Butterfly Valve suitable for Hot and Cold-Water applications with up to 50% Glycol.

Specifications

Product Type Resilient Seated
Max Operating Pressure (Bar) 17,20
Size Range (NPS) 2 - 20
Size Range (DN) 50 - 500
Flange Drilling ASME B16.1 Class 125, ASME B16.5 Class 150, EN 1092 PN16
Temperature Range (°C) -29 - 121
Temperature Range (°F) -20 - 250
Shutoff Rating Bidirectional Bubble-tight
Body Style Lug
Flange Drilling ASME B16.1 Class 125, B16.5 Class 150
Flange Drilling EN 1092 PN 16
Certifications ABS, ATEX, CRN, DNV, NSF 61/372, PE(S)R, PED, SIL, TR CU
Body Materials Cast Iron, Ductile Iron
Stem Materials 416 Stainless Steel
Seat Materials Bonded BUNA-N, Bonded EPDM
Disc Materials Aluminum Bronze, Nylon 11 Coated Ductile Iron, Stainless Steel
Testing Standard API 598, EN 12266-1, ISO 5208, MSS SP-61
Face to Face API 609, Category A, EN 558 Series 20, MSS SP-67
Applications Dead-End service, High Pressure, HVAC

 

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