口径G1/8"-G2" ,适用介质广泛，主要用于流体为：空气，水，低压蒸气，高温蒸气，粘稠液体，惰性气体，润滑油，油、气混合，石油精，酒精，汽油，氯化物，煤油，溶剂等；
部分产品型号规格如下：
G 1/4"
21A2ZV15D
21A2ZV20D
21A2ZV20G
21A2ZV25D
21A2ZV25G
21A2ZV30D
21A2ZV30G
21A2ZV45D
21A2ZV45G
21A2ZV55D
21A2ZV55G
G 3/8"
21A5KV55
21A5KV45
G 1/2"
21A8KV45
21A8KV55
G 3/8"
21A5KT55
21A5KT45
G 1/2"
21A8KT45
21A8KT55
G 3/8"
21A5ZV45D
21A5ZV45G
21A5ZV55D
21A5ZV55G
G 1/2"
21A8ZV45D
21A8ZV45G
21A8ZV55D
21A8ZV55G
1/4 NPT 21HN2K0Y110-HT
1/2 NPT 21HN3K0Y110-HT
3/4 NPT 21HN5K0Y160-HT
3/8 NPT 21HN4K0Y160-HT
1 NPT 21HN6K0Y250-HT
G 1" 21HT6KY250\21HT6K0Y250-S
G 1/2" 21HT4K0Y160
G 3/4" 21HT5K0Y160
G 3/8"21HT3K0Y110
G 3/8" 21H7KV120
G 1/2" 21H8KV120
G 3/8"21H7KV120-00AB
G 1/2"21H8KV120-00AB
G 3/4" 21H9KV180
G 3/4"21H13KV190
*21H13KV190-S
G 1"21H14KV250
*21H14KV250-S
G 3/8"21H11KV120
G 1/2"21H12KV120
M5 21JBMR0B20
G 1/8"
21JN1R0V23
21JN1R0V12
G 1/8"
21L1K1T25
21L1K1T30
21L1K1T40
G 1/8"
21L1K1V30
21L1K1V40
21L1K1V25
G 1/8"
21L1ZV25D
21L1ZV30D
G 1/4" 21L2K1B55-AP
G 1/4"
21L2K1T25
21L2K1T40
21L2K1T30
21L2K1T55
G 1/4"
21L2K1T25
21L2K1T40
21L2K1T30
21L2K1T55
