Brief introduction
Product name:                              Butterfly valve
DN:                                                          2"(50)~ 80"(2000)
CLASS(PN):                                        150LB(16)~300LB(50)

Application Standard
Pressure temperature class:        ASME B16.34 
Design:                                         API 609, GB/T 12238, ASME B16.34, GB, GOST, DIN, BS,etc.
Test:                                              API 598/GB/T 13927 and other relevant national standards.
Structure length:                          GB 12221,ANSI B16.10 / manufacturer standard / user requirements.
Connection end:                          Flange end, welding end, wafer
Fire protection requirements:       API 607/API 6FA/BS 6755
Anti-static electricity:                    API 608/BS 5351
Valve anti-sulfur:                          NACE MR. 0175

Structural features
Body structure:                            Integral, inner surface can be lined with rubber
Valve seat:                                  Single seat, hard seal / soft seal
Butterfly plate:                            Half turn
Sealed form:                              Triple Eccentric / centric construction / double eccentric
Flow pass:                                 Conventional
Operation mode:                        Manual / electric / pneumatic / pneumatic-hydraulic linkage / electro-hydraulic                                                          linkage / hydraulic (optional)
Seal:                                          Metal seal / soft seal
Leak rating:                                      Metal seal: ISO 5208 C or above, ANSI VI
MOC

Product advantages
Low construction cost, light weight and small flow resistance, can be used for adjustment. Good flow adjusting ability, high precision of flow characteristic curve and good dynamic adjustment stability.