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ISO 9001:2015 certified quality management system
Air Vent Valve – PN-16, Flange Type – product photo (from the GMC datasheet)

Air Release & Air Vent Valves

Air Vent Valve – PN-16, Flange Type

Flange Type

Air Vent Valve – PN-16, Flange Type, listed in sizes DN40 to DN200 (1½″ to 8″).

Body material
Ductile Iron
Pressure rating
PN-16
Type / operation
Flange Type
Sizes
DN40 – DN200 (1½″ – 8″)
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Manufactured by General Manufacturing Concern (Pvt.) Ltd., whose quality management system is certified to ISO 9001:2015. This is a company certification, not a certification of this individual product. Certificate details

1 value on this page is being confirmed with GMC. These are highlighted in the dimension tables and explained underneath. Please confirm them before using them for design.

Materials of construction

Components and material specifications for Air Vent Valve – PN-16, Flange Type
No.ComponentSpecification
1 Bolt SS304
2 Dust Cover GGG50
3 Nut SS304
4 Bolt SS304
5 Valve Cover GGG50
6 O-Ring NBR
7 Gasket NBR
8 Bucket Protection GGG50
9 Float SS304
10 Body GGG50

Where a component lists several materials separated by "|", these are alternatives. Rows marked "Options" are marked optional on the datasheet. State your choice when you request a quote.

Technical specification

Pressure
PN16
Strength test pressure (PS)
1.5 MPa
Sealing test pressure (PM)
1.1 MPa
Working temperature
0–60 °C

Dimensions

MAIN DIMENSION (MM)

MAIN DIMENSION (MM) for Air Vent Valve – PN-16, Flange Type
Size (DN)Weight (kg)DD1D2HΦZ-d
40 (1½″) 7 150 110 84 210 140 4-18
50 (2″) 7.5 163 125 100 235 175 4-18
65 (2½″) 8.5 180 145 118 250 180 4-18
80 (3″) 11 195 160 140 255 195 4-18
100 (4″) 12.5 215 180 156 260 195 8-18
125 (5″) 13 245 210 180 270 240 8-18
150 (6″) 15 2401 240 205 275 240 8-22
200 (8″) 22 335 295 264 310 280 8-22

Dimensions in millimetres, as published on the GMC datasheet. Dimensions are nominal and subject to the manufacturer's standard tolerances. "–" means no value is given for that size. Scroll sideways to see all sizes.

  1. 1. DN150 at D: D is printed as 240 mm, smaller than DN125 (245 mm). Please confirm with GMC. Back to table

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FAQs: Air Vent Valve – PN-16, Flange Type

What pressure rating is the Air Vent Valve – PN-16, Flange Type made for?
The GMC datasheet lists this air vent valve as PN-16. Confirm the rating you need in your quotation request so it can be checked against the order.
Which sizes of the Air Vent Valve – PN-16, Flange Type are listed?
The datasheet gives dimensions for DN40, DN50, DN65, DN80, DN100, DN125, DN150, DN200 (mm nominal sizes). Sizes outside this table are not listed; ask GMC if you need a size that is not shown.
What is the body material of the Air Vent Valve – PN-16, Flange Type?
The datasheet specifies the body as GGG50. The full material list for each component is in the specification table on this page.
Is a datasheet available for the Air Vent Valve – PN-16, Flange Type?
Yes. The original GMC datasheet PDF can be downloaded from this page. It is the source of every value shown here.

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