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上海欧曼石油设备有限公司
Oilman Group Limited
Oilman Equipment Pte Ltd.

Vale & Seat
A full range of full open, Roughneck, G2, 3-Web, 4-Web style valve & seats in API 4 thru API 8 to fit all major mud pumps.
Features:
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Forged and heat-treated alloy steel valve body & seat.
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High Temp & High-Pressure Urethane inserts rated 300 Deg F. And 7,500 psi available.
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Suitable for use in water and synthetic/oil based drilling fluids.
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Full line of associated springs & inserts available.
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