Product Overview

Check valves are designed and manufactured according to the following international codes and standards

DESIGN AND MANUFACTURING:
MIL-V-17547: Valves, Check, Bronze
DIN 86261: Non return valves for shipboard use, cut off type, of gun metal, with flanges
MSS-SP-80: Bronze Gate, globe angle and check valves
BUREAU OF SHIPS

INSPECTION AND TEST: 
ISO-5208: Industrial valves – Pressure testing of metallic valves
BS 6755: (sustituída por EN 12266)
EN 12266: Industrial valves. Testing of metallic valves. Pressure tests, test procedures and acceptance criteria. Mandatory requirements

END DIMENSIONS:
ASME B 16.5: Pipe Flanges and Flanged Fittings.
ASME B16.24: Cast Copper Alloy Pipe Flanges and Flanged Fittings
BS 10: Specification for flanges and bolting for pipes, valves, and fittings
DIN flanges

THREADED ENDS AND OTHERS:
ASME B1.20.1: NPT pipe threads
ASME B16.11: forged steel fittings, socket-welding and threaded
BS 21: (sustituída por EN 10226)
EN 10226: Pipe threads where pressure tight joints are made on the threads. Taper external threads and parallel internal threads. Dimensions, tolerances and designation
TAPER BUSHING PINE UNIONS FOR BRAZING
MIL specifications

FACE TO FACE AND END TO END:
ASME B 16.10: Face-to-Face and End-to-End Dimensions of Valves.
Standard Arflu
DIN 558-1: Face-to-face and center-to-face dimensions of metal industrial valves for use in flanged pipe systems – PN designed valves

* Other standard/materials upon request