John Crane Type 21 Mechanical Seal for Pump

• Customization: Available
• Structure: Single End
• Pressure: Medium Pressure Mechanical Seals
• Model NO.: R18 mechanical seal
• Speed: General Speed Mechanical Seal
• Temperature: Poor Temperature Mechanical Seal
• Performance: High Pressure
• Standard: Standard
• Type: Jc21
• Balance: Unbalanced
• Custom: Accept
• Place of Origin: Zhejiang, China
• Model Number: R18/Johncrane Type 21
• Item: Mechanical Seals
• Seat: Ceramic, Sic, Tc
• Spring: SS304, SS316
• Brand Name: Sealcon
• Face: Carbon, Sic, Tc
• O-Ring: NBR, EPDM, FKM, etc
• Name: Mechanical Seal
• Transport Package: Individual Package
• Specification: OEM
• Trademark: SEALCON
• Origin: China
• HS Code: 8484200090
• Production Capacity: 50000

Product Description

Sealcon R18 can replace John Crane type21 mechanical seal

Our seals are high-qualified due to we strictly follow the DIN24960, ISO3069, EN12756, API628 standards.
If the seal is not the one you need, contact us and inform us your pump model or drawing, material, shaft size for quotation. We will advise you and offer you corresponding mechanical seals. 
Customized products and OEM is welcomed.
We offer factory price, high quality, fast delivery and best services.

DETAILS

Shaft Size	1/2" to 3"
Material	Face: Carbon, SiC, TC Seat:  Ceramic, SiC, TC O-rings:NBR, EPDM, VITON Other Metal Parts : SS316, SS304
Temperature	-20ºC to 150ºC, dependent on the elastomer
Pressure	Up to 8bar
Speed	Up to 10m/s
End play/axial float allowance	±0.1mm

FAQ

Q: Are you a trading company or factoryA: We have own factory.

Q: Where is your factory located?
A: Our factory is located in Jiande, Hangzhou.

Q: How long is your delivery?
A: For stock items,we can ship them immediately after receive payment. For nonstock items, we will need 20 days for mass production.

Q: Do you provide free samples?
A: Usually we do not provide free samples. But the sample cost can be refund after you placed order.

Q: What transportation way can be chose?
A: The products can be delivered by air, ship or Express due to the small weight and size.

Q:What's your payment terms?
A: We accept T/T, Paypal, Western Union when qualified goods are ready for ship. Also pay to Alibaba is welcomed.

Q: Can you make customized products?
A:Yes, we have professional engineer and production team to customize products for you.

Company profile

HANGZHOU SEALCON FLUID MACHINERY CO.,LTD

Hangzhou Sealcon Fluid Machinery Co.,Ltd is located in city Hangzhou, province Zhejiang, China. It's a manufacturer & trading company with self-import & export license. Since the foundation, the company dedicated in providing best fluid machinery sealing solution to our customers. We will satisfy our customers with our high quality products, fast delivery, services and more than ten years experiences.

Application Area

Our products are successfully used in different fields, such as Water treatment, Petroleum, Chemistry, Refinery, Pulp & paper, food, marine, etc.