Detailed Product Description API Spec 6APR1;(PR2)PSL1, PSL2, PSL3, PSL3G.WP: 2000 PSI ~15, 000 PSIWT: -29~121 (Class: PU) ;Material Class: AA, BB, CC, DD, EE, FFWorking medium: crude oil, natral gas, mud, Materil Code:45K, 60K, 75KTubing head Models: KQ65-70, KQ78/65-70, KQ80/65-35, KQ65-35, KQ78/65-105, SKQ65-70Casing head Models:TFQ1397-70, TFQ97-70, TFQ95-35, TKQ137-70, TKQ107-70, STFQ9535(A). ...