- Body: Lead Free Brass
- Connection: Female NPT X Female NPT
- Pressure: 600 WOG
- Sizes: 1/2″, 3/4″, 1″
- Temperature: 180 F
Complies with Lead Free Plumbing Laws, NSF/ ANSI 61, UPC/ CE, ISO 9001
For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please contact Fanovo.
FANOVO STATEMENT OF WARRANTY & LIMITATION OF WARRANTY
Fanovo warrants, to our all purchasers, that its products which are delivered to its purchasers will be the kind described in the order or price list and will be free of defects in workmanship or material for a period of two year from the date of shipping to you, our purchaser.
Should any failure to conform to this warranty appear within two year after the date of the initial delivery to our purchaser, Fanovo will, upon written notification thereof and substantiation that the goods have been stored, installed, maintained and operated in accordance with Fanovo’s recommendation and standard industry practice, correct such defects by suitable repair or replacement at Fanovo’s own expense. If any valve alleged to be defective, is reported to Fanovo headquarter in China, it will be examined and, if found to be defective under the warranty, it will be replaced at no charge in future order.
THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR OTHER WARRANTY OF QUALITY, WHETHER EXPRESS OR IMPLIED, EXCEPT THE WARRANTY OF TITLE AND AGAINST PATENT INFRINGEMENT Correction of non-conformities, in the manner and for the period of time provided above, shall constitute fulfillment of all liabilities of Fanovo to our purchaser, with respect to the goods, whether based on contract, negligence, strict tort or otherwise, it is the intention of Fanovo that no warranty of any kind, whether express or implied, shall pass through our purchaser to any other person or corporation.
LIMITATION OF LIABILITY: FANOVO SHALL NOT UNDER ANY CIRCUMSTANCES BE LIABLE FOR SPECIAL OR CONSEQUENTIAL DAMAGES SUCH AS, BUT NOT LIMITED TO, DAMAGES OR LOSS OF OTHER PROPERTY OR EQUIPMENT, LOSS OF PROFITS, OR REVENUE, COST OF CAPITAL, COST OF PURCHASED OR REPLACEMENT GOODS, OR CLAIMS OF CUSTOMERS OF OUR INITIAL PURCHASER. THE REMEDIES OF OUR INITIAL PURCHASER, AND ALL OTHERS, SET FORTH HEREIN ARE EXCLUSIVE, AND THE LIABILITY OF FANOVO WITH RESPECT TO SAME SHALL NOT, EXCEPT AS EXPRESSLY PROVIDED HEREIN, EXCEED THE PRICE OF GOODS UPON WHICH SUCH LIABILITY IS BASED.
Fanovo is not just innovative products—we also provide wide-ranging capabilities, including design, manufacturing, and distribution. Each of these capabilities, as well as others, can be scaled to your needs – you can use as much or as little as makes sense for your product development.
Our Strengths
If you’re looking for an established, financially secure partner who offers robust quality systems, validated processes, continuous improvement strategies, and a proven track record, you’ve come to the right place. Contact us and we will show you the major breakthroughs OEMs have experienced with us
Technical Specifications & Product Information
Fanovo Brass Dome Oil Sight Glass delivers stable performance for heavy industrial fluid monitoring. Below you can check full technical dimensions and parameter data of this threaded sight glass.
Product Information Table
| Item No. | Size(mm) | A(mm) | B(mm) | C(mm) | D(mm) | E(mm) | F(mm) | SW(mm) | Temperature |
| FN-DHO1 | 1/4″ | NPT 1/4″ | 12 | 16 | 9 | 12 | 10 | 21 | Temperature range can be customized |
| FN-DNO2 | 3/8″ | NPT 3/8″ | 13 | 16 | 11 | 16 | 13 | 24 | |
| FN-DHO3 | 1/2″ | NPT 1/2″ | 14 | 16 | 13 | 18 | 13 | 26 | |
| FN-DHO4 | 3/4″ | NPT 3/4″ | 17 | 16 | 20 | 25 | 15 | 36 | |
| FN-DHO5 | 1″ | NPT 1″ | 20 | 16 | 25 | 30 | 15 | 40 | |
| FN-DHO6 | 1/4″ | G1/4″ | 12 | 16 | 9 | 12 | 10 | 21 | |
| FN-DHO7 | 3/8″ | G3/8″ | 10 | 16 | 11 | 16 | 13 | 24 | |
| FN-DHO8 | 1/2″ | G1/2″ | 10 | 16 | 13 | 18 | 13 | 26 | |
| FN-DHO9 | 3/4″ | G3/4″ | 12 | 16 | 20 | 25 | 15 | 36 | |
| FN-DHO10 | 1″ | G1″ | 12 | 16 | 25 | 30 | 15 | 40 | |
| FN-DHO11 | M12 | M12x1 | 10 | 16 | 9 | 12 | 10 | 21 | |
| FN-DHO12 | M12 | M12x1.5 | 10 | 16 | 9 | 12 | 10 | 21 | |
| FN-DHO13 | M14 | M14x1.5 | 10 | 16 | 9 | 12 | 10 | 21 | |
| FN-DHO14 | M16 | M16x1.5 | 10 | 16 | 11 | 16 | 13 | 24 | |
| FN-DHO15 | M20 | M20x1.5 | 10 | 16 | 12 | 18 | 13 | 26 | |
| FN-DHO16 | M22 | M22x1.5 | 10 | 16 | 13 | 18 | 13 | 26 | |
| FN-DHO17 | M26 | M26x1.5 | 11 | 16 | 19 | 25 | 14 | 36 | |
| FN-DHO18 | M27 | M27x1.5 | 11 | 16 | 20 | 25 | 15 | 36 | |
| FN-DHO19 | M33 | M33x1.5 | 11 | 16 | 25 | 30 | 15 | 40 |
Core Advantages & Engineering Benefit
The specific combination of materials and design in the Fanovo Brass Sight Glass translates directly into superior performance and long-term value for critical equipment.
Unyielding Performance Under Pressure & Heat
This brass sight glass adopts integrated solid brass and dome glass structure, with reliable leak-proof sealing. As high pressure sight glass, it works stably on air compressors, hydraulic units and gearboxes under high temperature and pressure.
Guaranteed Clarity & Long-Term Readability
The borosilicate dome window resists chemical corrosion and UV aging, no yellowing or blurring. Operators get clear liquid level observation throughout the whole service cycle of the liquid level indicator.
Superior Durability & Corrosion Resistance
Solid brass body features natural anti-corrosion performance, stronger shock and vibration resistance than plastic sight plugs. This corrosion resistant sight glass lowers equipment failure downtime in harsh workshop environments.
Your Direct Manufacturing Partner (OEM & Customization)
As a professional sight glass manufacturer, we support custom thread sizes, logo printing and tailored design. All customized brass dome oil sight glass fits OEM machinery and bulk distributor supply chain demands perfectly.
| Feature | Specification |
|---|---|
| Product Name | 1/2″ NPT Brass Dome Oil Sight Glass |
| Part Number | FNV-7001 Series |
| Body Material | Solid Hexagonal Brass (C36000 / CZ121) |
| Window Material | Natural Glass, Fused |
| Thread Size | 1/4″NPT、3/8″ NPT、1/2″NPT、3/4″ NPT、1″NPT、M12x1、M12x1.5、M14x1.5、M16x1.5、M20x1.5、M22x1.5、M26x1.5、M27x1.5、M33x1.5、G1/4″、G3/8″、G1/2″、G3/4″、 G1″ |
| Maximum Pressure | Up to 125 PSI (9 Bar) |
| Operating Temperature | Up to 300°F (150°C) |
| Seal Integrity | Achieved through a high-strength fusion process between glass and brass body |
| Chemical Resistance | Excellent against mineral oils, petroleum, fuels, and most industrial fluids |
| Installation | Standard hex body for easy installation with a wrench |
| Design | Domed window for enhanced visibility |
In addition to this size, we can also customize other sizes for you according to your needs.
If you have any other needs about this product, please feel free to contact us.
Complies with Lead Free Plumbing Laws, NSF/ ANSI 61, UPC/ CE, ISO 9001
For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please contact Fanovo.
FANOVO STATEMENT OF WARRANTY & LIMITATION OF WARRANTY
Fanovo warrants, to our all purchasers, that its products which are delivered to its purchasers will be the kind described in the order or price list and will be free of defects in workmanship or material for a period of two year from the date of shipping to you, our purchaser.
Should any failure to conform to this warranty appear within two year after the date of the initial delivery to our purchaser, Fanovo will, upon written notification thereof and substantiation that the goods have been stored, installed, maintained and operated in accordance with Fanovo’s recommendation and standard industry practice, correct such defects by suitable repair or replacement at Fanovo’s own expense. If any valve alleged to be defective, is reported to Fanovo headquarter in China, it will be examined and, if found to be defective under the warranty, it will be replaced at no charge in future order.
THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR OTHER WARRANTY OF QUALITY, WHETHER EXPRESS OR IMPLIED, EXCEPT THE WARRANTY OF TITLE AND AGAINST PATENT INFRINGEMENT Correction of non-conformities, in the manner and for the period of time provided above, shall constitute fulfillment of all liabilities of Fanovo to our purchaser, with respect to the goods, whether based on contract, negligence, strict tort or otherwise, it is the intention of Fanovo that no warranty of any kind, whether express or implied, shall pass through our purchaser to any other person or corporation.
LIMITATION OF LIABILITY: FANOVO SHALL NOT UNDER ANY CIRCUMSTANCES BE LIABLE FOR SPECIAL OR CONSEQUENTIAL DAMAGES SUCH AS, BUT NOT LIMITED TO, DAMAGES OR LOSS OF OTHER PROPERTY OR EQUIPMENT, LOSS OF PROFITS, OR REVENUE, COST OF CAPITAL, COST OF PURCHASED OR REPLACEMENT GOODS, OR CLAIMS OF CUSTOMERS OF OUR INITIAL PURCHASER. THE REMEDIES OF OUR INITIAL PURCHASER, AND ALL OTHERS, SET FORTH HEREIN ARE EXCLUSIVE, AND THE LIABILITY OF FANOVO WITH RESPECT TO SAME SHALL NOT, EXCEPT AS EXPRESSLY PROVIDED HEREIN, EXCEED THE PRICE OF GOODS UPON WHICH SUCH LIABILITY IS BASED.
Fanovo is not just innovative products—we also provide wide-ranging capabilities, including design, manufacturing, and distribution. Each of these capabilities, as well as others, can be scaled to your needs – you can use as much or as little as makes sense for your product development.
Our Strengths
If you’re looking for an established, financially secure partner who offers robust quality systems, validated processes, continuous improvement strategies, and a proven track record, you’ve come to the right place. Contact us and we will show you the major breakthroughs OEMs have experienced with us.
