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Type 431, 433 (PN 160, DN 15)


Valve size: 15x25
d0 [mm]: 12
Metal disc O-ring disc
Body material: 1.0619 (SA 216 WCB)
Bonnet:
closed		 H2 4332.8552
 4332.8572
H3 4332.8553
 4332.8573
H4 4332.8554
 4332.8574
open H3 4312.8555
 4312.8575
Body material: 1.4408 (SA 351 CF8M)
Bonnet:
closed		 H2 4334.8562
 4334.8582
H4 4334.8564
 4334.8584

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LESER safety valve
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