Tipe A

Pusher seal
Balanced
Cartridge design
With multiple springs
Rotating type
O-rings as secondary sealing

Tipe B & C

Non-pusher (metal bellows)
Balanced
Cartridge design
Rotating type for Type B
Stationary type for Type C

API 682 Standard
Arrangement 1 - Single Seal
Arrangement 2 - Unpressurized Dual (Tandem)
Arrangement 3 - Pressurized Dual (Double)

Peralatan Uji API 682 kami
Nippon Pillar memiliki semua test bench API682 4th Edition Test.

*LPG Test Bench
Sertifikat Nippon Pillar API682 4th Edition (contoh)