Product Variants


TG31U Equivalent to Pac-seal Type 21(US Standard)

 Pac-seal Type 31(US Standard)


Dimensional data conform with US standard,installation Interchangeable with John Crane Type 21/Type 2
Stationary seat 
Standard: T1NG ---John Crane NG
Pac-seal Type 21 replacement (US Standard)
Alternatives: T6WG ---John Crane WG
Pac-seal Type 31 replacement(US Standard)

WenZhou TianGu Seal Co., Ltd was founded in 1982, is located in Wenzhou City, Zhejiang Province Economic and Technological Development Zone, China Hydraulics Pneumatics & Seals Industry Association, in the mechanical seal product design, manufacturing and sales of businesses.