API V11 Valve Ball and Seat -Puyang Zhongshi Group Co.,Ltd

API V11 Valve Ball and Seat

Valve balls and valve seats are widely used in oil fields , their performance directly affects the use effect and service life of the pumps.
Each ball-and-seat combination is vacuum tested to ensure a perfect seal is obtained in all positions of contact.
API Standard Material

Symbol	Description	Hardness	Material
A1	Stainless Steel	Ball: HRC 58-65 Seat: HRC 52-56	UNS 41000–UNS 44000
B1	Cobalt Alloy, Cast	Ball: HRC 56-63 Seat: HRC 50-56	Cobalt, chromium, and tungsten alloy
B2	Cobalt Alloy, Powder Metal	Ball: HRC 53-60 Seat: HRC 51-57	Cobalt, chromium, and tungsten alloy
C1	Tungsten Carbide	Ball: HRA 88-89 Seat: HRA 88-89.5	Tungsten with Cobalt binder
C2	Nickel Carbide	Ball: HRA 89-90.5 Seat: HRA 87.5-89	Tungsten with nickel binder
C3	Titanium Carbide	Ball: HRA 89-90.5 Seat: HRA 89-90.5	Tungsten and titanium carbide with cobalt binder

API Ball and Seat Size

API No.	Seat Size	Ball Size
V11-106	1-1/16"	5/8"
V11-125	1-1/4"	3/4"
V11-150	1-1/2"	15/16"
V11-175	1-3/4"	1-1/8"
V11-200	2"	1-1/4"
V11-225	2-1/4"	1-3/8"
V11-250	2-3/4"	1-1/16"
V11-375	3-3/4"	2-1/4"

Specifications of V11 Valve Ball and Seat

Unfinished Product of V11 Valve Ball and Seat

Finished Product of V11 Valve Ball and Seat

Packing of V11 Valve Ball and Seat

Inspecification of V11 Valve Ball and Seat