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Sewon Q&TECH

Product

Sewon is the world's best company and will manage the world.

Gauge Hatch

For your safety, choose our products.

NOMINAL SIZE

- Other 4", 6 ", 8", and 10"

CONNECTIONS

- ASME B16.5 Class 150 Flange
- KS/JIS 10K Flange

Enable easy access to check level, temperature and sampling
TEFLON Seat is SEWON standard to minimize sticking caused by
resinous vapors and atmospheric moisture
Included a foot pedal for easy opening, and designed spark-proof
Simple structure enable easy maintenance, and reduce
maintenance cost

Specially machined seat geometry minimizes leakage and provides special
specifications for various chemicals.
Non-sparking design and gas tight to 1 PSI
Available in NBR, VITON and other elastomers, metal-to-metal seat can be
provided when required Weight loaded cover model provides pressure
relief as well as supplemental emergency venting capacity
Drilling conforming to ASME B 16.5 for class 150 flanges,
or KS/JIS 10K flanges.
▶ Consult our factory for special application

Specifications

Maximum Working Pressure 200mbar(g) (3psi) for lockdown type
Type Non-sparking, lockdown type, weight loaded type(optional)

▶ Other specifications are available. consult our factory.

Materials

PART NAME MATERIALS STANDARD MATERIALS OPTIONAL
Body Carbon Steel, 304 S.S, 316 S.S,Aluminum Hastelloy, Alloy 20
Seat Material PTFE Teflon NBR, Viton
Eye bolt & Buttfly Nut 304 S.S -
Hinge Pin 304 S.S -

▶ Other special materials are available upon customer`s request.

Slot Dipping Device Model Code

How to order

MODEL SIZE MATERIALS FLANGE DRILLING OPTION

Seat Material / Others
SGDD 04 : 04"
06 : 06"
08 : 08"
SS : Special
C : Carbon Steel
4 : 304 S.S
5 : 304L S.S
6 : 316 S.S
7 : 316L S.S
A : Aluminum
S : Special Material
AR : ANSI Class 150 RF
AF : ANSI Class 150 FF
KR : KS/JIS 10K RF
KF : KS/JIS 10K FF
NO : NO Drilling
SS : Special
T : PTFE Teflon
N : NBR(Buna-N)O-ring
V : Viton O-Ring
M : Metal to Metal

Example

Means a 6" model SGDD with 304 stainless steel body,ANSI/ASME Class 150RF flange drilling,
and no other option.