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The valve 7401 quo, quo-7401, the valve balloon quo 7401

Offer type: salePublished: 27.02.2024
Company:OOO PKP "Gazsel'stroj LTD"
Seller:Aleksandr Yur'evich
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Address:Kharkivs'ka Oblast', Kharkiv, Ukraine

The shut-off valve balloon QUO.7401 (QUO-7401)is suitable for air separation units, reservoirs for storage and transportation of air, nitrogen, oxygen.


The nut of the flywheel when mounted to the enamel NC-25 GOST 5406-84 or sealant HS-6 TU6-01-1285-84

After every 1000 cycles operating time of the valve, disassemble and clean the internal cavities of the valve (PTFE shavings, 2000 cycles after replacement of the gasket rings QUO.7401.004 and strip TC0.7401.011 Torque on the cap during Assembly of the valve MD. 8 kgf-m.

To test the tightness of the connection of the body-cover working pressure.

To produce defatting and degreasing control on the EAST 26-04-312-83. The content of the grease should not exceed 20 mg/m2.


Pass conditional DN, 3 mm

PP working pressure, MPa (kgf/cm2) 40(400)

Ambient temperature, °C from minus 60 to+80

The installation position of the valve ― any

The type of drive-manual control

The maximum torque during operation of MD. kgf cm 70

Weight, kg, not more than 0.75

Working medium: nitrogen, air, oxygen

The product contains aluminum alloys (flywheel) — 0,067 kg, copper-based alloys (body, spindle, screw running, nut, valve) — 0,62 kg.

All products are provided with passports and certificates.


The manufacturer of the control panel Hasselstrom
Country of origin Ukraine
Nominal diameter 3.0 (mm)
The direction of flow at the valve Corner
The working medium Gas, Air, Gaseous environment
Minimum operating temperature is -60.0 (deg.)
Maximum operating temperature 80.0 (deg.)
Connection type threaded
Body material Brass
Mounting method Horizontal/vertical
Drive Manual
Remote control No
The weight of 0.6 (kg)
Warranty period 12 (months)
Additional characteristics
Minimum ambient temperature -50.0 (deg.)
Maximum ambient temperature 70.0 (deg.)
Additional characteristics
Maximum working pressure (bar) 450.0
Burst pressure (bar) 650.0