
Product Name: | Obround Sight Glass |
Material: | SS304 or SS316L |
Standard: | 3A, SMS, DIN, RJT, IDF |
Size: | 1"- 6" or DN25 -DN150 |
Glass grade: | Tempered glass |
Connection Way: | Weld, Clamp, Thread, Flange or Combinations |
Seal Material: | Silicone, EPDM, FKM, NBR |
Surface Treatment: | CNC machining |
Working Temperature: | -10 degree to +120 degree (EPDM) |
Feature: | 1 Can be used under the dark light. 2 Easy dissembling. |
Packing Details: | Usually bubble pack for each within carton box or plywood case, or special packaging upon customer requirements. |
To show surface of a liquid, for insertion into attachment totanks, vessels and silos. The base frame is welded onto or into the vessel wall. Then thesightglass plate together with two seals is firmly bolted downby the cover frame and a set of fastening bolts


QiMing mainly manufacture and export SS valves and fittings including Butterfly Valve, Ball Valve, Check Valve, Angle Valve, Vacuum Valves, Tri Clamp Fittings, Weld Fittings,KF/NW flanges, ISO Flanges and CF Flanges.
QiMing has Mazak CNC, Milling CNC, handheld spectrometer,helium mass spectrometer leak detection, roughness tester and others. With more than 10 years development, QiMing gets 3A certificate and ISO9001:2008. QiMing's main market is Europen, USA, Korea,Japan and so on.
QiMing's goal: Innovation, Dedication, Service, Win-Win.


Our products are exported to many countries, including South Korea, the United States, the United Kingdom, ltaly, France, the Netherlands, Finland, Russia, Belarus, Thailand, CanadaMexico, Australia, Germany, Spain, Malaysia, Singapore, Vietnam, Indonesia, India, thePhilippines, Japan, Paraguay, Brazil, Chile, Peru, and more.
Our experienced engineers work closely with each customer to find out the best possible solutions.Our constant technical innovation combined with stringent quality control systems hasenabled us to deliver high performance and outstanding value in sanitary applications.We are dedicated to improving the performance and value of our products, services, and
solutions to meet your requirements


QiMing has advanced CNC machieries,CNC centers and Testing Equipment,ISO9000 Certificated and all raw materials are traceabletheablethe


Q: Why would I choose you?
Wenzhou QiMing Stainless Co., Ltd has been engaging in manufacturing sanitary valves, fittings, tank components and pumps for over 15 years, outstanding in production capacity, effective management, accurate lead time, on-time shipments and problems-solving rate after sales.
Q: May I have free samples before ordering?
Yes, our company is very pleased to send you free samples for quality test as long as freight cost being paid by buyers themselves.
Q: What's the MOQ?
The majority of products are fully in stock, so we accept 1 piece as the minimum order quantity.
Q: Does your company have the export license?
Yes, we have more than 4 years export experience, we can do FOB, C&F, CIF, DDU and DDP (Russian Only).
Q: What's the payment term?
For small testing orders, we accept Paypal, Western Union, T/T and Credit Card.
For mass orders, we accept T/T and L/C.
Q: How would you minimize damages during delivery?
Standard: mass orders will be packed by many carbon boxes and filled in plywood cases.
Available requirement: blister packing for every piece of product, plastic caps for clamp connected products.
Q: How would you choose the shipment way?
Basically, we will select shipment ways based on four factors (order quantity, delivery time, costs and customs policy), then list couples of reasonable options with Pros and Cons to customers, letting them to decide
Products we manufacture: | ||||||||
Sanitary Valve | Sanitary Butterfly Valves | |||||||
Sanitary Check Valves | ||||||||
Sanitary Ball Valvess | ||||||||
Sanitary Reversal Valve | ||||||||
Sanitary Diaphragm Valves | ||||||||
Sanitary Sampling Valves | ||||||||
Sanitary Safety Valves | ||||||||
Sanitary Angle Seat Valves | ||||||||
Sanitary Relief Pressure Valves | ||||||||
Sanitary Pipe Fittings | Sanitary Elbow | |||||||
Sanitary Tee | ||||||||
Sanitary Reducer | ||||||||
Sanitary Cross | ||||||||
Sanitary Triclamp Ferrule | ||||||||
Sanitary Cap | ||||||||
Sanitary Pipe Hanger | ||||||||
Sanitary Tank Cleaning Ball | ||||||||
Sanitary Hose Joint | ||||||||
Sanitary Unions | ||||||||
Sanitary Sight Glass | ||||||||
Sanitary Strainer | ||||||||
Sanitary Manways | Sanitary Round Manway without Pressure | |||||||
Sanitary Round Manway with Pressure | ||||||||
Sanitary Square Manway | ||||||||
Sanitary Oval Manway | ||||||||
Sanitary Pump | Sanitary Centrifugal Pump | |||||||
Sanitary Lobe Pump | ||||||||
Sanitary Self Priming Pump | ||||||||
Sanitary Tank | Mixing Tank | |||||||
Warm-keeping Tank | ||||||||
Storage Tank | ||||||||
Fermentation Tank | ||||||||
Sanitary Tube | Weldless Tube | |||||||
Seamless Tube | ||||||||
Sanitary Gasket | Silicone/EPDM Gasket for Triclamp | |||||||
Silicone/EPDM Gasket for Union | ||||||||
Silicone/EPDM Gasket for Butterfly Valve | ||||||||
Silicone/EPDM Gasket for Manhole Cover |