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SEWON Q&TECH

Venting Device manufacturer, Fire Arrester, Relief Valve, Emergency vent cover, Gauge Hatch,Inert Gas Blanketing and more
Name

GAUGE HATCH

Model SMC
Series Gauge Hatch
Product Description

NOMINAL SIZE
- 24", 30", and 36"

CONNECTIONS
- ASME B16.5 Class 150 Flange(24")
- KS/JIS 10K Flange
- API 650 Flange(24")
- ASME B16.47, MSS SP 44(30" or 36")


Large size Gauge Hatch which designed to open the manhole cover during the maintenance of the storage tank in order to provide easy entry of the maintenance personnel. Non-sparking design and gas tight to 1 PSI Available in NBR, VITON and other elastomers

Drilling conforming to ASME B 16.5 for class 150 flanges(24"), ASME B 16.47 for 150 flanges(30" & 36"), or KS/JIS 10K flanges Large size more than 24" NBR is standard for seat surface to prevent the leakage during normal operating condition but Viton of high corrosion resistance for Chemical is optional.

▶ Consult our factory for special application.


Specifications

Maximum Working Pressure70mbar(g) (1psi)
TypeNon-sparking, lockdown mechanism
▶ Other specifications are available. consult our factory.


Materials

PART NAMEMATERIALS STANDARDMATERIALS OPTIONAL
BodyCarbon Steel, 304 S.S, 316 S.S,AluminumHastelloy, Alloy 20
Seat MaterialTeflonViton
Eye bolt & Buttfly Nut304 S.S-
Hinge Pin304 S.S-
▶ Other special materials such as Hastelloy B/C & Alloy 20 are available upon customer`s request.



Basic Ordering Information

1. Model andType
2. Fluid Handing
3. Operating Temperature & Pressure ranges
4. Size and Connection
5. Material



Products of SEWON Q&TECH