Horizontal Type Valve Pressure Test Bench

Horizontal Type SYTW800/5.8-32 Valve Test Bench
Horizontal Type Valve Pressure Test Bench
Valve Pressure Test Bench
 

1. This test bench is designed and manufactured with reference to similar products of Germany and GB4981 stabdard,
2.  Suitable for sealing test of straight-through welded valves and straight- through flange connection valves , before and after installation.
3.  Suitable for shell test, sealing test (low pressure sealing test and high pressure sealing test) and upper seal test (ISO5208) for GB4981
4. Features: simple operation, safe and reliable, sensitive test.

1.Product  characteristics and application:
This test bench is designed and manufactured with reference to similar products of Germany and GB4981 stabdard,It is suitable for sealing test of straight-through welded valves and straight- through flange connection valves , before and after installation. It is suitable for shell test, sealing test (low pressure sealing test and high pressure sealing test) and upper seal test (ISO5208) for GB4981, in order to prevent faulty valves from entering work site.
Features: simple operation, safe and reliable, sensitive test.
2. Features :
1)     Applicable to gate valve,globe valve,ball valve,Check valve and etc direct-flange connection valves
2)     Accessories special sealing disc is applicable to test welded valve’s performance
3)     Valve clamping type is up pressure,clamp is through press on the sides of direct-flange connection valves
4)     Standard equips with High and low pressure water pump pressure systems,gas supercharging is selection
3. Technical parameters:

Valve Nominal Diameter DN	300-800mm(straight-through Flange connection valves)
Maximium Test Pressure  PN	31.5Mpa(4500LB)   Max
Nominal Voltage	Exchange 380V
Rated Power	8.5KW
Line Voltage	Exchange 220V/24V
Hydraulic  oil	N46 hydraulic  Oil(provide by user) The oil temperature is Max 60 degrees centigrade , Min 5 degrees centigrade
Oil circuit system Pressure	28Mpa max
Test Medium	Water(Allows   to add rust inhibitor) kerosene or other liquid  it’s viscosity   not higher than water
Test temperature(Envioment Temp)	5   degree centigrade to 40 degree centigrade
Transverse  clamping Length scope	1150mm
Radial distance	100-1400mm
Weight	7tons
Size	4520×1620×1600(mm)

4.Operation :
1)Before use, press "pump" first, check motor steering and check whether the action is accurate and reliable.
2) Clamp valve
  Valve’s clamping:
a)        On the premise of ensuring safety, the valve is hoisted to the test bench  working area.
b)        Put the suitable sealing ring in the sealing plate according to the tested valve.
c)        Put the tested valve in place .
d)        Open “forward”postion of the "screw forward and backward"knob, opens "into" position, the screw will quickly move to the end of the valve end 3-5 centimeters after the stop. According to the different length of the valve rotation "screw advance and retreat" "screw forward and back" knob to control the screw to move the sealing disk to the right position.
e)        Press the "top tight" button to clamp the valve. Before the pressure, the oil cylinder should be determined not to return, if not returned, should first press the "loose" button to the top pressure cylinder back.
5.Comparison Table  for Valve Nominal Diameter and Max Test Pressure

Valve   Nominal Diameter DN（mm）	300max	400	500	600	700	800
Max   Test PressurePN（MPa）	31.5	22.5	15	10	7.5	5.8

Comparision Table of Valve Sealing Pressure and Test Pressure

SYTW 800/5.8-32Valve Test   Bench Pressure Comparision Table
Norminal Pressure(MPa)		2.5	4.0	6.4	10.0	16.0	20.0	25.0	32.0
Test Pressure(MPa)		3.75	6.0	9.6	15.0	24.0	30.0	37.5	48.0
Norminal Diameter(DN)		Sealing  Pressure(MPa)
in	mm
12	300	2.5	4.0	6.5	10.0	16.0	20.0
14	350	3.5	5.5	9.0	13.6	22.0	28.0
16	400	4.5	7.0	11.5	18.0	28.0
18	450	5.6	9.0	14.5	22.0
20	500	7.0	11.0	17.8	28.0
22	550	8.5	13.5	21.5
24	600	10.0	16.0	25.6
28	700	13.6	21.8
32	800	17.8	28.0

 
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