1.1/2 "PVC Pob Valve

Lus piav qhia luv luv:

* Ob chav Union PVC pob valve ;

* Tsawg kawg siab poob; Kov cov cuab yeej ua tau yooj yim rau kev hloov kho ntawm threaded sealcarrier & pob torque;
* Kev ntsuas siab @ 73 ° F: 240 psi (1/2 "-2") & 150 psi (3" & 4 ");
* Qhov kub siab tshaj plaws: 140 ° F;