CARL R CALHOUN
Electrician at County Rd 1210, Midland, TX

License number
Texas 29627
Expiration Date
May 27, 2017
Category
Master Electrician
Address
Address
6200 S County Road 1210, Midland, TX 79706
Phone
(432) 697-2121

Professional information

Carl Calhoun Photo 1

Valve Seat And Method Of Repair

US Patent:
5048558, Sep 17, 1991
Filed:
Jan 29, 1991
Appl. No.:
7/647283
Inventors:
Carl R. Calhoun - Midland TX
International Classification:
F16K 4300, F16K 5100
US Classification:
137407
Abstract:
A valve seat for a valve used with a treater tank comprising a body having a generally cylindrical bore threthrough, the body having a first end, a second end and being made of metal, the first end having a counterbore concentric with the cylindrical bore, the body having means on the second end for mounting the valve seat in the valve and an insert carried by the body and received in the first end, the insert being comprised of an erosion-resistant synthetic polymeric material having a cylindrical passageway therethrough, the insert having a first portion defining first inner and outer concentric cylindrical surfaces, the first outer surface having a diameter greater than the diameter of the counterbore, an annular sealing surface being formed on the first portion, and a second, generally cylindrical portion, said second portion being received in the counterbore and means disposed between the body and the second portion to secure the insert to the body and effect fluid-tight sealing between said insert and said body.


Carl Calhoun Photo 2

Valve Seat And Method Of Repair

US Patent:
5139042, Aug 18, 1992
Filed:
May 21, 1990
Appl. No.:
7/526507
Inventors:
Carl R. Calhoun - Midland TX
International Classification:
F16K 4300, F16K 5100
US Classification:
137 15
Abstract:
A valve seat for a valve used with a treater tank comprising a body having a generally cylindrical bore therethrough, the body having a first end, a second end and being made of metal, the first end having a counterbore concentric with the cylindrical bore, the body having means on the second end for mounting the valve seat in the valve and an insert carried by the body and received in the first end, the insert being comprised of an erosion-resistant synthetic polymeric material having a cylindrical passageway therethrough, the insert having a first portion defining first inner and outer concentric cylindrical surfaces, the first outer surface having a diameter greater than the diameter of the counterbore, an annular sealing surface being formed on the first portion, and a second, generally cylindrical portion, said second portion being received in the counterbore and means disposed between the body and the second portion to secure the insert to the body and effect fluid-tight sealing between said insert and said body.