Zhejiang Onero Valve Co., Ltd.

1. Seat face: stellited.ground and lapped to a mirror finish.
2. Flexible Wedge: with low center stem-wedge contact.in solid CA15(13Cr)or hardface with 13Cr ,SS316,monel or stellited.Wedge is ground and lapped to a mirror finish and tightly guided to prevent dragging and seat damage.a stellite 6 hardfaced CF8M wedge is also available.
3. Non-rotating Stem: with precision Acme threads and burnished finish.Double Acme for faster operation.
4. Body and Bonnet: castings are precision machined.One-piece bonnet up to 12"(300mm)for better alignment and fewer parts.
5. Gland: has two-piece construction for easy alignment.

1. Flanges:

(1) Classes 150-300:1/6" raised face.

(2) Classes 600-1500:1/4" raised face.

(3) Finish 125-250 AARH for all valves.

2. Rotating stem nut: is austenitic ductil iron Gr D-2C renewable in line(as shown). Thrust bearings are supplied as follows:

(1) 150-300Lb:10-12"(250-300mm).

(2) 1 bearing(top).

(3) 16"(400mm) and up.

(4) 2 bearings.

(5) 600Lb:6"(150mm) and up.

(6) 900-1500Lb:6"(150mm)and up.