30 H75VK Mechanical Seals for Pumps Pusher Seals

• Structure: Single End
• Pressure: High Pressure Mechanical Seals
• Speed: Ultra-High-Speed Mechanical Seal
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: 30 H75VK
• Temperature: High Temperature Mechanical Seal
• Performance: Corrosion
• Standard: Standard
• Type: Custom-Made, TS
• Balance: Balanced
• Payment Method: T/T, Western Union, L/C etc
• Replace: Bogmane Seals
• Export Port: Ningbo Port, Shanghai Port
• Products Packaging: White Box
• Min Order Qty: 5 Pcs
• Transport Package: Carton Packing
• Specification: Diameter Size 20-110mm/0.787-4.331inch
• Trademark: Custom-made, TS
• Origin: Made in China
• HS Code: 8484200090
• Production Capacity: 1000000 PCS/Year
• Package Size: 38.00cm * 38.00cm * 32.00cm
• Package Gross Weight: 22.000kg

Product Description

 

Product Description

(1)Features
• Dual seal
• Cartridge unit
• Design acc. to API 682/ISO 21049
• Category 2 and 3, Type A, Arrangement 2 or 3
• Bi-directional design available
• Rotating multiple springs
• Integrated pumping device 
• Suitable for pressure reversals

(2)Advantages
• Universally applicable both for retrofits or original equipment
• Efficient stock-keeping due to standardized components
• Extended selection of materials
• Extended field of operation in terms of temperature and pressure
• Metal parts also in special materials available
• Safe operation due to metal torque transmission at the rotating seal face

(3)Operating range (see note on page 1)
Shaft diameter: d = 20 ... 110 mm (0.79" ... 4.33")*
Pressure: p1 = 40 bar (580 PSI)
Temperature: t = -40 ... +220 °C (-40 °F ... +428 °F)
Sliding velocity: vg = 23 m/s (75 ft/s)
Axial movement: ±2.0 ... 4.0 mm depending on diameter and installation situation
* Other sizes on request

(4)Materials
Seal face: Carbon graphite antimony impregnated (A), 
Silicon carbide (Q1, Q2)
Seat: Silicon carbide (Q1, Q2)
Secondary seals: EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs: Hastelloy® C-4 (M)
Metal parts: CrNiMo steel (G), Duplex (G1) 
Hastelloy® C-4 (M)

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

(6)Item                                  Description
    1.1.1, 2.1.1                        Seal face
    1.1.2, 2.1.2                        Driver
    1.1.3, 2.1.3                        Thrust ring 
    1.1.4, 2.1.4, 1.3, 2.3          O-Ring
    1.1.5, 2.1.5                        Sleeve
    1.1.6, 2.1.6                        Spring
    1.1.7                                  Set screw
    1.2, 2.2                              Seat
    3                                        Shaft sleeve
    4                                        Key
    6                                        Adapter
    8                                        Washer
    9                                        Pin
    11                                      Housing
    12                                      HSH Cap screw
    13                                      Assembly fixture
    14                                      Hexagon bolt
    15                                      Set ring
    16                                      Set screw

(7)Recommended applications
• Refining technology
• Petrochemical industry
• Oil and gas industry
• Light volatile and highly viscous hydrocarbons
• API 610/ISO 13709 pumps
• Process pumps

(8)Product variant
H75VKP-D
Dual seal in back-to-back arrangement. Suitable for 
API 610 table 6 seal chambers. 



 

Detailed Photos

 

Product Structure Size

Dimensions in mm 

API/d1	API/d2	API/d3	API/d4	d5	d6	L4	L5	L6	L7	L10	Axial movement
20	70.0	105.0	85.0	60.0	129.0	144.0	97.0	47.0	81.0	6.0	±2.00
30	80.0	115.0	95.0	70.0	139.0	145.5	96.0	49.5	77.5	8.0	±2.00
40	90.0	125.0	105.0	82.0	149.0	146.5	96.5	50.0	78.0	8.0	±2.00
50	100.0	140.0	115.0	94.0	168.0	158.0	106.5	51.5	88.0	10.5	±2.00*
60	120.0	160.0	135.0	114.0	188.0	165.0	107.5	57.5	90.2	4.5	±2.00*
70	130.0	170.0	145.0	124.0	198.0	170.0	107.5	62.5	85.0	10.0	±2.00*
80	140.0	180.0	155.0	134.0	208.0	175.0	107.5	67.5	85.0	12.5	±2.00*
90	160.0	205.0	175.0	146.0	238.0	178.8	116.9	61.9	94.4	6.9	±3.00
100	170.0	215.0	185.0	163.0	248.0	185.0	117.5	67.5	92.0	11.5	±2.00*
110	180.0	225.0	195.0	173.0	258.0	188.0	116.5	71.5	91.0	15.5	±3.00
* For larger installation space an axial movement of ±3.0 mm is possible

 Dimensions in inch

API/d1	API/d2	API/d3	API/d4	d5	d6	L4	L5	L6	L7	L10	Axial movement
0.787	2.756	4.134	3.346	2.362	5.079	5.669	3.819	1.850	3.189	0.236	±0.079
1.181	3.150	4.528	3.740	2.756	5.472	5.728	3.780	1.949	3.051	0.315	±0.079
1.575	3.543	4.921	4.134	3.228	5.866	5.768	3.799	1.969	3.071	0.315	±0.079
1.969	3.937	5.512	4.528	3.701	6.614	6.220	4.193	2.028	3.465	0.413	±0.079*
2.362	4.724	6.299	5.315	4.488	7.402	6.496	4.232	2.264	3.551	0.177	±0.079*
2.756	5.118	6.693	5.709	4.882	7.795	6.693	4.232	2.461	3.346	0.394	±0.079*
3.150	5.512	7.087	6.102	5.276	8.189	6.890	4.232	2.657	3.346	0.492	±0.079*
3.543	6.299	8.071	6.890	5.748	9.370	7.039	4.602	2.437	3.717	0.272	±0.118
3.937	6.693	8.465	7.283	6.417	9.764	7.283	4.626	2.657	3.622	0.453	±0.079*
4.331	7.087	8.858	7.677	6.811	10.157	7.402	4.587	2.815	3.583	0.610	±0.118
* For larger installation space an axial movement of 0.118" is possible

Packaging & Shipping

 

Our Advantages

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.

FAQ

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).