API Std 594

This standard covers the design, materials, face-to-face dimensions, pressure-temperature ratings, inspection, examination, and testing requirements for two types of check valves.

Product Details

Edition:
9th
Published:
02/01/2022
ANSI:
ANSI Approved
Number of Pages:
33
File Size:
1 file , 3.1 MB
Product Code(s):
C59409, C59409, C59409
Note:
This product is unavailable in Belarus, Cuba, Iran, North Korea, Russia, Syria, Ukraine
API Std 594

Covers design, materials, face-to-face dimensions, pressure-temperature ratings, and examination, inspection, and test requirements for two types of check valves:

— Type “A” check valves are short face-to-face, and can be wafer, lug, or double- flanged; single-plate or dual-plate; or gray iron, ductile iron, steel, nickel alloy, or other alloy designed for installation between Classes 125 and 250 cast-iron flanges as specified in ASME B16.1, between Classes 150 and 300 ductile-iron flanges as specified in ASME B16.42, between Classes 150 and 2500 steel flanges as specified in ASME B16.5, and between Classes 150 and 600 steel pipeline flanges as specified in MSS SP-44, or steel flanges as specified in ASME B16.47.

— Type “B” bolted-cover swing check valves are long face-to-face as defined in 5.1.2, and can be flanged or butt-welding ends of steel, nickel alloy, or other alloy material. End flanges shall be as specified in ASME B16.5, or ends shall be butt-welding as specified in ASME B16.25.

Product Details

Edition:
8th
Published:
07/01/2017
ANSI:
ANSI Approved
Number of Pages:
35
File Size:
1 file , 730 KB
Redline File Size:
2 files , 5.3 MB
Product Code(s):
C59408, C59408, C59408, C59408, C59408, C59408
Note:
This product is unavailable in Cuba, Iran, North Korea, Syria
API Std 594

Covers design, material, face-to-face dimensions, pressure-temperature ratings, and examination, inspection, and test requirements for two types of check valves.

Type ‘A’ check valves are short face-to-face as defined in Table 3 and Table 4 and can be: wafer, lug, or double flanged; single plate or dual plate; gray iron, ductile iron, steel, nickel alloy, or other alloy designed for installation between Classes 125 and 250 cast iron flanges as specified in ASME B16.1, between Classes 150 and 300 ductile iron flanges as specified in ASME B16.42, between Classes 150 and 2500 steel flanges as specified in ASME B16.5, and between Classes 150 and 600 steel pipeline flanges as specified in MSS SP-44 or steel flanges as specified in ASME B16.47.

Type ‘B’ bolted cover swing check valves are long face-to-face as defined in 5.1.2 and can be: flanged or butt-welding ends of steel, nickel alloy, or other alloy material. End flanges shall be as specified in ASME B16.5 or ends shall be butt-welding as specified in ASME B16.25.

Product Details

Edition:
7th
Published:
09/01/2010
ANSI:
ANSI Approved
Number of Pages:
21
File Size:
1 file , 920 KB
Redline File Size:
2 files , 1.5 MB
Product Code(s):
C59407, C59407, C59407
Note:
This product is unavailable in Cuba, Iran, North Korea, Syria
API Std 594

API Standard 594 covers design, material, face-to-face dimensions, pressure-temperature ratings, and examination, inspection, and test requirements for two types of check valves.

Product Details

Edition:
6th
Published:
09/01/2004
ANSI:
ANSI Approved
Number of Pages:
26
File Size:
1 file , 230 KB
Product Code(s):
C59406R, C59406, C59406, C59406R, C59406, C59406R
Note:
This product is unavailable in Cuba, Iran, North Korea, Syria