Cast Carbon Steel/Stainless Steel Threaded Ends Double Window Sight Glass/Flow Indicator
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Product Attributes
- Customization
- Available
- Manufacture Type
- Fabricated or Cast
- Material
- Cast Steel, Stainless Steel
- Model NO.
- GASG
- Connection
- Flanged or Threaded
- Category
- Ball Float Type Sight Glass, Flapper Sight Glass,
- Transport Package
- Plywood Case
- Specification
- ISO 9001
- Trademark
- Goole or OEM
- Origin
- Wenzhou
- HS Code
- 8481804090
- Production Capacity
- 10000PCS/Year
Product Images of Cast Carbon Steel/Stainless Steel Threaded Ends Double Window Sight Glass/Flow Indicator
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Product Description

Flapper Sight Glass,double window Sight Glass Body A3 304 304L 316 316L FRP Lined Glass borosilicate glass, quartz glass
The installation size is small, the driving torque is small, the operation is simple and fast, and it also has good flow regulation function and closing sealing characteristics. In the field of large, medium, and low pressure use, it is the dominant form of mirror.
Main Dimension
Nominal Diameter |
Pg=2.5 kgf/cm2 |
||||||||||
DN |
External Dimension |
Glass |
External Dimension |
Glass |
|||||||
Inch |
mm |
H |
L |
Dia |
Thickness |
H |
L |
Dia |
Thickness |
||
1/2" |
15 |
200 |
181 |
65 |
10 |
200 |
189 |
65 |
10 |
||
3/4" |
20 |
200 |
181 |
65 |
10 |
200 |
189 |
65 |
10 |
||
1" |
25 |
200 |
181 |
65 |
10 |
200 |
189 |
65 |
10 |
||
1.1/4" |
32 |
260 |
226 |
95 |
15 |
260 |
234 |
95 |
15 |
||
1.1/2" |
40 |
260 |
226 |
95 |
15 |
260 |
234 |
95 |
15 |
||
2" |
50 |
320 |
266 |
140 |
20 |
320 |
278 |
140 |
20 |
||
2.1/2" |
65 |
320 |
266 |
140 |
20 |
320 |
278 |
140 |
20 |
||
3" |
80 |
360 |
300 |
165 |
20 |
360 |
308 |
165 |
20 |
||
4" |
100 |
360 |
300 |
165 |
20 |
360 |
308 |
165 |
20 |
||
5" |
125 |
440 |
356 |
165 |
20 |
440 |
350 |
165 |
20 |
||
6" |
150 |
440 |
356 |
165 |
20 |
440 |
350 |
165 |
20 |
||
Main Specifications:
Body |
A3 304 304L 316 316L FRP Lined |
Glass |
borosilicate glass, quartz glass |
Bolt & Nut |
20# 304 304L 316 316L |
Sealing Gasket |
NBR, PTFE, SS, Graphite |
Connection |
RF |
Flange Standard |
HG GB HGJ JB ANSI JIS DIN BS NF |
Manufacturing Standard |
HGJ501-502-86 |
Working Temperature |
CS: -30ºC~ +350ºC SS: -80ºC~+480ºC |
Temperature for Glass |
borosilicate glass:≤180ºC, quartz glass :1000ºC |
Pressure for Glass |
borosilicate glass piece:≤3.0MPa quartz glass Piece:≤10.0MPa borosilicate glass Tube:<1.0MPa quartz glass Tube:<1.6MPa |
Allowable sudden temperature change |
<60ºC |
Furnish |
CS: anticorrosive paint SS: chemical pickling or anticorrosive paint |

About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASR2331467". Items marked "" are certified.
Company Profile
Yongjia Goole Valve Co., Ltd is a specialized and modernized company. As industrial valves, filters and pipe fittings supplier and project service provider, we are willing to provide you with high quality and perfect fluid control solutions, to create a new intelligent system with high efficient, energy saving and environmental protection characteristics, so as to help you make full use of your energy.
We manufacture and offer:
Safety relief valve(Our hot products, we have price & performance advantages about safety valves, and we can offer you the best price and quality you want): Spring loaded safety valve, high pressure and high temperature safety valve, pilot operated safety valve, DIN Standard Safety Valve, etc...
Control Valve: Electric Control Valve, Pneumatic Control Valve, Self-operated control valve, Globe control valve, 3-way control valve. etc.
Ball Valve: Floating Ball Valve, Trunnion Mounted Ball Valve, DBB Ball Valve, Full Welded Ball Valve., etc.
Pressure Reducing Valve: Pilot Operated reducing valves, Direct Acting and Bellow Type Reducing Valves. etc.
Steam Trap: Free Float steam trap, Lever Ball Float steam trap, thermodynamic and thermostatic steam trap, inverted bucket steam trap, etc.
DIN Bellow sealed globe valves, Y Type Strainer
Besides, Other valves and pipe fittings also can be offered by us.
Our products are widely used in petroleum, chemical, metallurgy, power stationand some other fields. We can also design and manufacture the non-standard products according to Customers' requirements.
Our Products are in strict accordance with ISO 9001 International Quality Management System. We also have a complete inspection system to ensure the quality of our products. From the Market Researching to Designing and developing, from the material purchasing to furnishing, inspection and testing, from delivery to after sale service, every step is processed under the Standard Management. In order to produce the superior industrial valve and let the national-made valve replace imported valve, we always stick to the following principles: Ensure the Quality for Survival, Ensure the Continuous Innovation for Development, and ensure the high efficient service for Customers' satisfaction.
We would like to serve our esteemed customers with superior products, reasonable price and complete sales services. We pledge we will be your most reliable business partner always.
About Our Factory & Business Background
- Address
- He-Yi Industiral Zone, Oubei Town, Yongjia, Wenzhou, Zhejiang, China
- Terms of Payment
- LC, T/T, Western Union, Money Gram
- International Commercial Terms(Incoterms)
- FOB, EXW, CFR, CIF, DAT, DDP, DAP
- Average Lead Time
-
Peak Season Lead Time: one month
Off Season Lead Time: within 15 workdays - Nearest Port
- Ningbo, Shanghai
Our Production Capability & Technical Expertise
- Main Products
- Safety Valve, Ball Valve, Control Valve, Steam Trap, DIN Valve, Strainer, Gate Valve, Globe Valve, Check Valve, Pressure Reducing Valve
Our Industry Experience & Global Business Record
- Export Year
- 2009-07-09
- Main Markets
- North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
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