56 Mechanical Seals for Pumps Pusher Seals

(1)Features    
•Single and dual seals
•Cartridge
•Seal design according API fb82/ISO 21049
•Category 1, Type A, Arrangement 1, 2 or 3
•Balanced
•Version independent of direction of rotation available
•Shrink-fitted seal faces
•Solid seats
•Single seals with API plan 11 and fb1 (Apitax-SA)
•Dual seals with API plan 52/53 (Apitax-DAP)
•Other flush plans available

(2) Advantages  
•Suitable for pressure reversal
•Insensitive to shaft deflections and process fluctuations
•Cover distortion cannot cause seat misalignment
•Good heat dissipation
•No external pump necessary
•Pre-assembled unit, ready to install
•Low space requirements
•Springs protected from the product
•Security due to proofed design

(3)Operating  range  (see  note  on  page  1)
Shaft diameter: d1 = 20 ... 110 mm (0.750"......4.300"),
other sizes on request
Pressure: p1 = 22 bar (319 PSI)
Temperature: t = -40 °C......+ 260 °C
(-40 °F....+ 500 °F)
(> 220 °C (428 °F) please inquire)
Sliding velocity: vg = 23 m/s (75 ft/s)

(4) Materials  
Seal face: Carbon graphite antimony impregnated (A),
Silicon carbide sintered pressureless (Q12)
Seat: Silicon carbide sintered pressureless (Q1)
Secondary seals: FKM (V), FFKM (K), NBR (P), EPDM (E)
Springs: Hastelloy C-4 (M)* and C-276 (M5)
Metal parts: CrNiMo steel (G)
*EagleBurgman standard

(5)Standards and approvals  
•API 682/ISO 21049

(6)Recommended applications  
•Chemical industry
•Petrochemical industry
•Oil and gas industry
•Light volatile and highly viscous hydrocarbons
•Toxic and hazardous media
•Media with poor lubrication properties
•Low solids content and low abrasive media
•Vertical and horizontal ANSI chemical standard pumps

(7)Item                                        Description
1, 9                                         Seal face
2, 5, 7, 10, 13, 15, 16, 17     O-Ring
3, 11                                      Spring
4 ,12                                      Seat
6                                            Shaft sleeve
8                                            Adapter
14                                          Driver
18                                          Housing
19                                          HSH Cap screw
20                                          Set ring
21                                          Set screw
22                                          Assembly fixtures
23                                          Hexagon bolt
24                                          Set screw

(8)Product variant
APitex-SA single seal

APItex-SA single seal

Dimensions in mm

We have large stock, so our delivery  is very fast.
For example,if products are standarded, the delivery time is one week.
Our company and factory addrss: Ningbo City, Zhejiang  Province,China.
Our city has a large port and an airport, so its transportation is very convenient.

Question1: What are the prices of your products?
  Answer: For each model, the unit price is listed on the website, but what is displayed on the website is only the average market price. For specific models, you can contact us for further consultation and negotiation.

  Question 2: Are you a factory or a trade company?
  Answer: We are a factory with top sales for the trade service.
Question 3: What is the minimum order quantity for each order?
  Answer: For products of regular models, the minimum order quantity is at least five. We welcome you to test the quality of our products and services through placing trial orders. Looking forward to the long-term cooperation with you.

  Question4: What is your company's service tenet?
  Answer: Quality first, service upmost. We promises that if there is any problem with the quality of the product, or if the product is damaged during the transportation, our company will be responsible for compensation, regardless of the ordder turnover value.

  Question5: Can I try to get a SAMPLE before the order?
  Answer: Sure. Our company will provide you with samples for free, but you will have to pay for the international delivery (freight collect payment).