The hydraulic valve test bench of model YFS-D1200(Super big type) is specially designed and manufactured for testing Russian customer’s big size ball valves with nominal size range DN600-1200(24”-48”) and nominal pressure range PN25-PN420(Class150-Class2500). The machine has the maximum clamping force(reaction force) as high as 1500 Tons.

Hydraulic Valve Test Bench of Model YFS-D750(Horizontal and large type):
The test bench is specially designed and manufactured for Taiwan customer for testing both flange and weld end high pressure valves(ball, gate, globe and check valves) with valve size range DN200-750(8”-30”) and nominal pressure range Class150-2500(PN25-PN420).

Ball Grinding Machine of Model QTMJ-250/400(Double-headed and combined type) : The ball grinding machine is specially designed and manufactured to be combined type with one small and one big working positions......

Specially designed and manufactured for testing large size butterfly valves with size range 30"-72".

DELI company supplies high-quality and advanced valve test benches for CNPC

DELI company supplies high-quality and advanced valve test benches for Sinopec

Valve Pressure Testing Machine of Model PZ-1800 (Screw and computerized type)

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KOSO CONTROL ENGINEERING (WUXI) CO., LTD.

JIANGSU HONGTAI PETROCHEMICAL MACHINERY CO., LTD.

User: Koflow Valve Group Co., Ltd.
Machine Model & Description:
Hydraulic Valve Test Bench of Model YFS-Z800 (for Testing Large Size Flat Gate Valves)
Hydraulic Butterfly Valve Test Bench of Model YFS-DL3000 (for Testing Large Size Butterfly Valves)

User: Weir Valves and Controls (Suzhou) Co., Ltd.
Machine Model & Description:​ Hydraulic Valve Test Bench of Model YFS-D2200t (for Testing Large Size and High Pressure Ball Valves, Extraction Check Valves etc.)