Combined Butterfly Valve Hydraulic Test Bench With Hydraulic Lifting Frame

The left station of this Combined Butterfly Valve Hydraulic Test Bench With Hydraulic Lifting Frame is designed for flange gate valves, globe valves and other straight-through flange valves; the right station is exclusively for wafer butterfly valves & flanged butterfly valves. Equipped with two sets of integrated hydraulic lifting jib hoisting mechanisms, it thoroughly solves the labor-intensive handling, hoisting and centering difficulties of heavy large-diameter butterfly valves. The encircling hydraulic jaw clamping structure precisely locks valve flanges uniformly, which can complete shell hydrostatic strength test and bidirectional seat tightness pressure holding leakage inspection. 

The whole machine strictly complies with GB/T13927-2022 and API 598 international valve testing standards, supports water-air dual test media and automatic constant pressure holding function. The overall welded frame is sturdy and rigid; clamping force is evenly distributed on the valve flange to effectively reduce butterfly valve body deformation caused by eccentric stress. Matched with high-precision pressure measurement & control system, it balances convenient valve loading/unloading and accurate pressure testing performance, perfectly suited for mass quality inspection procedures of large-bore wafer & flanged butterfly valves in valve manufacturing enterprises. We can provide CE safety certification transformation, multi-language touch panel and 415V export voltage adaptation for overseas customers. Contact our technical team to obtain complete parameter list and long-term bulk order quotation within 24 working hours.

Seven Core Differentiated Advantages

1.Dual-station Combined Integrated Design, Two Types of Valves Tested Simultaneously The core layout advantage of Combined Butterfly Valve Hydraulic Test Bench With Hydraulic Lifting Frame: independent left & right testing stations with differentiated clamping structures, one machine realizes detection of straight-through flange valves and various butterfly valves at the same time, greatly improving workshop inspection efficiency and reducing equipment floor occupation and procurement cost.

2.Built-in Double Hydraulic Lifting Jib Hoisting Mechanism Two sets of electric hydraulic cantilever cranes are configured on both sides, which can lift heavy large-caliber butterfly valves effortlessly, realize slow centering alignment without manual heavy lifting, eliminate falling safety hazards during workpiece handling, greatly reduce labor intensity for operators.

3.Encircling Hydraulic Jaw Uniform Force Clamping System Surrounding jaw clamps wrap the valve flange circumferentially, axial force is balanced without unilateral deflection; compared with traditional end jacking mode, it avoids butterfly valve disc deformation and sealing surface damage under long-time high pressure, guaranteeing true detection data.

4.Water & Air Dual Medium Independent Circulation & Automatic Pressure Holding Separate hydraulic water boosting pipeline and pneumatic air pipeline are arranged, freely switchable for shell strength test and tightness test; PLC constant pressure control system automatically compensates pressure loss during holding period, pressure fluctuation ≤±1%, fully meets multi-stage pressure holding requirements of API 598.

5.Reinforced Integral Anti-deformation Welded Base Frame Ultra-thick steel plate one-piece welded bed frame, undergone stress relief treatment, long-term continuous heavy-load operation without frame bending or vibration, stable clamping benchmark for large-size heavy valves.

6.Multi-layer Overpressure & Mechanical Safety Interlock Protection Equipped with hydraulic clamping overpressure relief, test pressure over-limit cut-off, lifting overload protection and emergency stop power-off four-fold safety interlock, automatically cut off all power output under abnormal conditions, conforming to EU CE industrial heavy machinery safety specifications.

7.Reserved Digital Intelligent Upgrade Expansion Interface Main control electrical cabinet reserves industrial communication port, customers can later upgrade touch screen automatic testing program, pressure curve storage, electronic inspection report export and MES system docking functions to realize full digital traceability of batch inspection records.

Complete Technical Parameter Table

Seven Target Application Scenarios

1.Large & Medium Valve Manufacturing Factories: Offline batch delivery inspection of large bore butterfly valves, gate valves and globe valves.

2.Municipal Water Diversion & Sewage Treatment Project Manufacturers: Pressure inspection of pipeline large-diameter butterfly valves for national water conservancy projects.

3.Petrochemical & Natural Gas Pipeline Equipment Base: Performance recheck of main pipeline regulating butterfly valves.

4.Thermal Power Plant Auxiliary Workshop: Periodic tightness test of circulating water pipeline large butterfly valves.

5.Professional Large Valve Maintenance Service Station: Refurbishment post-inspection for recycled old heavy butterfly valves.

6.Overseas Large Valve Assembly EPC Factory: Dual-station multi-purpose heavy valve testing equipment with complete CE export certification documents.

7.Valve Sealing Structure R&D Laboratory: Contrast fatigue pressure test for new butterfly valve sealing prototypes under different pressure grades.

Pre-sales, In-sales & After-sales Global Integrated Service System

Pre-sales Customized Technical Support

Professional valve testing process engineers conduct one-on-one technical communication, confirm valve types, caliber range, maximum test pressure, daily inspection output and workshop space layout; provide equipment layout drawing and free sample pressure testing verification service, issue targeted complete testing solution and formal quotation within 24 working hours.

In-sales Production & Export Shipment Service

Whole production progress tracked by real-time video; full-load continuous pressure cycle test completed before delivery with original test records archived. Export version adopts extra thick solid wood frame + steel belt shockproof & moisture-proof reinforced packaging; hydraulic schematic, electrical wiring diagram, multilingual operation manual and full set of customs clearance certification documents are delivered together with the machine.

After-sales Global Quality Assurance Service

Hydraulic clamping cylinders, lifting jib mechanisms, pressure transmitters and PLC core components enjoy 24-month global warranty; free replacement of non-artificial damaged spare parts within warranty period. We provide remote online PLC parameter debugging, complete operation video tutorials, coordinate local overseas agents for on-site installation, commissioning and maintenance; lifelong supply of general hydraulic spare parts and free long-term valve pressure testing technical consultation.

FAQ & Official Purchase Guidance

Frequently Asked Questions

Q1: Can this bench test both flange straight valves and all types of butterfly valves at the same time? 

A1: Yes, independent dual working stations with exclusive clamping structures respectively, can carry out different valve testing tasks simultaneously, greatly improving production efficiency. 

Q2: Will encircling jaw clamping deform thin butterfly valve flanges? 

A2: Circumferential uniform stress clamping avoids local concentrated pressure, clamping force can be steplessly adjusted according to valve wall thickness, effectively preventing flange and valve body deformation. 

Q3: Can automatic pressure curve recording and report export function be upgraded later? 

A3: The control system reserves digital expansion port at factory, touch screen, curve storage and electronic report export functions can be retrofitted at any time. 

Q4: Is CE certification available for overseas export trade? 

A4: We can complete full CE heavy machinery safety transformation, configure multi-language panel and 415V export voltage, provide complete CE certification documents for customs clearance and overseas project acceptance audit. 

Q5: What is the standard production delivery cycle? 

A5: Standard model delivery cycle: 35 working days; customized ultra-large caliber, high-pressure upgraded version delivery cycle: 40 working days.

Purchase Guidance

Please send detailed information including applicable valve types, caliber scope, maximum test pressure, daily inspection quantity and export certification requirements to our engineering team. We will formulate an integrated dual-station combined valve pressure testing solution and preferential bulk procurement quotation within 24 hours, supporting annual framework cooperation orders for valve manufacturers and global energy & water conservancy pipeline EPC supporting projects.