Van điều khiển Spirax Sarco
Vật liệu gang xám Cast Iron
unbalanced trim KA31 and KA33
balanced trim KB31, KB33 and KC31
KA31 Normally open with screwed connections
KA33 Normally open with flanged connections
KB31 Normally open with phosphor bronze balancing bellows and screwed connections
KB33 Normally open with phosphor bronze balancing bellows and flanged connections
KC31 Normally open with stainless steel balancing bellows and screwed connections
Sizes and pipe connections
Screwed BSP (BS 21 parallel) or NPT:
KA31 ½", ¾", 1", 1¼", 1½" and 2"
KB31 1", 1¼", 1½" and 2"
KC31 1½" and 2" Flanged EN 1092 PN16 and BS 10 Table F:
KA33 DN15, DN20, DN25, DN32, DN40 and DN50
KB33 DN25, DN32, DN40 and DN50
Xuất xứ UK
