HRKS-D
Double seal in cartridge design for operation in barrier or buffer pressure (does not open if barrier pressure fails), available alternatively with a pumping screw for a higher rate of circulation. Torque transmission e.g. by shrink disk.
 
03-HRS72/60-E2.2 for  3/2 C&P-AH

Trisun produce mechanical seal replacing Burgmann HR, HRZ36, HRZ1, HR2, HR3, HRKS-D.
If you need drawings, pls. contact me.

Materials:
Seal face: Silicon carbide (Q1, Q2)
Seat: Silicon carbide (Q1, Q2)

Mechanical seals for EMTECH pumps by ENSIVAL-MORET:----28A072
HRZ36/50-G051-E3
05-HRZ36/58-G051-E1-A1
05-HRZ36/58-G051
HRZ36/70-G051
M7N21/60
M7N21/50-00
05-HRZ36/95-G051

Picture for M7N21/40: 


Picture for M7N21/60:


Pictures of HRKS-D/53-PTA070:




Trisun is a professional manufacturer of mechanical seals, metal bellow seals, cartridge seals, dry gas seals, sealing support system and OEM pump seals since 1998 and has branches in USA and Australia!

Trisun distribute Kalrez orings and Chemraz orings too with competitive prices!

Trisun produce mechanical seal replacing Burgmann HR, HRZ36, HRZ1, HR2, HR3, HRKS-D.
If you need drawings, pls. contact me.

Materials:
Seal face: Silicon carbide (Q1, Q2)
Seat: Silicon carbide (Q1, Q2)

Advantages:
Especially for application in solids containing media without external flush or internal product circulation. Solids content 40 % (single seal) and 60 % (double seal)
Operation under vacuum without seat locking possible
Pumping screw for increased circulation available
Springs are protected from product and leakage
* For operation under vacuum it is necessary to arrange for quenching on the atmosphere side.

Features:
Single seal
Balanced
Independent of direction of rotation
Multiple springs stationary
Seat rotating
Seat arranged directly behind the impeller
Spring protection sleeve
Variant with cylindrical spring and acc. EN 12756 (HRZ1) available
Variant as cartridge with/without guide sleeve for application with/without quench (HR2, HR3)
Dual seal as cartridge unit (HRKS-D) available

Notes
Direction of installation:
From the impeller side: HR10
From the bearing side: HR11

SS-HRZ1
Single seal with cylindrical spring and type G76 seat. For installation in covers with installation dimensions according to EN 12756 B or U. Installation length l11 corresponds to max. l1k.
Intermediate sizes on request.