Kuofu Equipment HT400 Well service pump and parts is 100% compatible with original HT400 pumps and parts.
It is horizontal, triplex, and three separate fluid end sections. It is made with three-piece high quality forged steel.
All the parts dressed inside are designed for high performance and long life in handling your cementing and pumping jobs.
Fluid-End Type：Horizontal, triplex, three-piece forged steel
Plunger Type：Single-acting, hard-surfaced
Valve Type：Double-guided, carburized, high-contact
Valve Seats：Carburized and replaceable
Pressure Packing：CDI High-performance packing
Discharge Flange： Blank, straight TY with one outlet or with two outlets
Oil System: External; use air tank press
| Plunger Size in. (mm) | Maximum Working Pressure |
| 3 3/8”(85.7) | 20,000Psi / 138Mpa |
| 4” (101.6) | 15,000Psi / 103.4Mpa |
| 4 1/2”(114.3) | 11,200Psi/ 78Mpa |
| 5″ (127.00） | 9,000Psi/ 65Mpa |
Kuofu Equipment can provide right fracturing and cementing plunger pump replacement parts for Halliburton 400 pump.
Fluid Ends
Plungers
Valves and Seats
Packings
Stuffing Box
We specialize in following Halliburton HT-400 plunger parts as follow:
| Push Rod Subassembly | |||||
| Part No. | |||||
| Retainer,Push Rod HT-400TM, Two Piece Nose, L-Spacer | 316.21066. | ||||
| O-Ring, 90 Duro, 1 7/8 × 1 5/8 × 1/8, 568-223 | 8.34020. | ||||
| Tie Rod, Push Rod, L-Spacer, HT-400TM | 316.25166. | ||||
| Push Rod, Two Piece, L-Spacer, HT-400TM | 316.21065. | ||||
| Retainer, Push Rod Seal Housing, L-2 Spacer, HT-400TM | 316.10012. | ||||
| Housing, Push Rod Seal, Floating, L-2 Spacer, HT-400TM | 316.10013. | ||||
| O-Ring, 70 Duro, 5 11/16 × 5 1/2 × 3/32, 568-161 | 70.33739. | ||||
| Seal, Push Rod, L-Spacer, HT-400TM | 316.10014. | ||||
| Fluid-end/flange discharge section subassembly | |||||
| Plunger Size | |||||
| 3-3/8 inch | 4-inch | 4-1/2 inch | |||
| Flange, discharge, HT-400TM, BLANK | 316.22980. | 316.22980. | |||
| Flange, discharge, HT-400TM, CURVED, Rright Hand | 316.21676. | 316.23019. | 316.23019. | ||
| Flange, discharge, HT-400TM, CURVED, Left Hand | 316.21677. | 316.23017. | 316.23017. | ||
| Seal, Discharge passage,HT-400TM | 315.27117. | 316.2547. | 316.2547. | ||
| Nut, 1-14NF, Internal Wrenching, 1.03 TL | 316.11621. | 316.11621. | 316.11621. | ||
| Stud, HT-400TM Fluid End To Thick Discharge Flange | 316.23013. | 316.23013. | |||
| Bolt, Tie, 1.375-12 UNF×32.4 in.,Top, Fluid End, HT-400TM, TC | 316.27488. | 316.27488. | 316.27488. | ||
| Nut, Top Tie Bolt, HT-400TM, TC | 316.25501. | 316.25501. | 316.25501. | ||
| Washer, Hardened,2.31 O.D ×1.43I.D.,For Top Tie Boldt, | 316.22493. | 316.22493. | 316.22493. | ||
| Spacer, Inner, Discharge Passage Seal,HT-400TM | 316.2145. | 316.2545. | 316.2545. | ||
| Fluid End Section, HT-400TM PUMP,Not Sleeved | 316.21951. | 316.22982. | 316.23951. | ||
| Nut, Elastic, Stop,3/4-in.,16 NF | 70.32760. | 70.32760. | |||
| Discharge Valve Subassembly | |||||
| Plunger Size | |||||
| 3-3/8 inch | 4-inch | 4-1/2 inch | |||
| Retainer, Cover, HT-400TM | 316.2102. | 316.2202. | 316.2202. | ||
| Cover, Discharge, Double Guided Valve, HT-400TM | 316.2107. | 316.23091. | 316.23091. | ||
| Gasket, Discharge Valve & Cylinder Head Cover, HT-400TM | 316.21052. | 316.22052. | 316.22052. | ||
| Ring, Spacer, Discharge Valve & Cylinder Head Cover, HT-400TM | 316.21051. | 316.22051. | 316.22051. | ||
| Liner, Two Piece Bushing, Valve Guide, HT-400, Brass | 316.22005. | 316.22005. | 316.22005. | ||
| Insert, Two Piece Bushing, Valve Guide, Special, HT-400 | 316.22004. | 316.22004. | 316.22004. | ||
| Spring, Valve, HT-400TM, 36lb/in | 316.2108. | 316.2108. | 316.2308. | ||
| Valve, HT-400, Frac | 316.21007. | 316.21007. | 316.22048. | ||
| Insert, Valve, HT-400TM, Urethane, Acid/Frac Service(Yellow) | 316.21048. | 316.21048. | 316.22046. | ||
| Insert, Valve, HT-400TM, Urethane, Standard Service(Brown) | 316.21006. | 316.21006. | 316.22049. | ||
| Seat Valve, HT-400TM, Tapered | 316.21008. | 316.21008. | 316.210047. | ||
| O-ring, 90 Duro | 8.34037. | 8.34037. | 8.34041. | ||
| Suction Valve Subassembly | |||||
| Plunger Size | |||||
| 3-3/8 inch | 4-inch | 4-1/2 inch | 5-inch | 6-inch | |
| Retainer, Stop and Spring, HT-400TM, Mach. Cast | 316.22977. | 316.22977. | 316.22242. | 316.25840. | 316.25840. |
| Boot, Suction and Stop, HT-400TM | 316.25233. | 316.25233. | 316.25233. | 316.25233. | 316.25233. |
| Spring, Lock, HT-400 | 316.2125. | 316.2125. | 316.22252. | 316.22253. | 316.22253. |
| Liner, Two Piece Bushing, Valve Guide, HT-400TM, Brass | 316.22005. | 316.22005. | 316.22005. | 316.22007. | 316.22007. |
| Insert,Two Piece Bushing, Valve Guide, Special,HT-400TM | 316.22004. | 316.22004. | 316.22004. | 316.22006. | 316.22006. |
| Retainer Guide Bushing, HT-400, Tapered Seat Bore | 316.21096. | 316.21096. | 316.23953. | 316.24043. | 316.24043. |
| Plunger/cylender Head Cover Subassembly | |||||
| Plunger Size | |||||
| 3-3/8 inch | 4-inch | 4-1/2 inch | 5-inch | 6-inch | |
| Retainer, Cover HT-400TM | 316.2102. | 316.2102. | 316.2202. | 316.2502. | 316.2506. |
| Cover, Cylinder Head, HT-400TM | 316.2107. | 316.2107. | 316.2207. | 316.2407. | 316.2507. |
| Gasket, 4 Discharge Valve & Cylinder Head Cover | 316.21052. | 316.21052. | 316.22052. | 316.25052. | 316.25074. |
| Ring, Spacer, Discharge Valve & Cylinder Head Cover | 316.21051. | 316.21051. | 316.22051. | 316.25051. | 316.25073. |
| Nose, Plunger, HT-400TM | 316.2131. | 316.2231. | 316.2331. | 316.2331. | 316.2331. |
| Seal, Plunger Nose Assembly, HT-400TM | 316.2130. | 316.2230. | 316.2330. | 316.2330. | 316.2330. |
| Plunger, Hard Surface, L-Spacer, HT-400TM | 316.21026. | 316.22294. | 316.23085. | 316.24296. | 316.25162. |
| Tie Rod, Plunger, HT-400TM | 316.21028. | 316.21028. | 316.21028. | 316.25165. | 316.25165. |
| Adapter, Pushrod, HT-400TM, Two Piece Nose | 316.21059. | 316.22302. | 316.23089. | 316.24336. |
316.25172. |
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