2006Y 2007Y

Product features and advantages

Cartridge structure with non-directional drive. Compact structure suitable for standard frames. Comprehensive consideration of the cooling system ensures a favorable operating environment for the seal. Bearing selection depends on frame conditions. Auxiliary device is required when pressure exceeds 0.3 MPa. National Invention Patent No.: ZL202022563587.0

Parameter

Design Pressure	PN 0.1–1.6 MPa
Design Temperature	-40 ~ 180 °C (320 °C) When temperature exceeds 180 °C, a cooling water tank must be added, and the installation height increased by 80 mm.
Speed	≤ 3000 rpm
Media	Oil, water, weak acid, weak alkali, flammable, explosive and other working conditions.

d	d1	d2	d0	D	L10	L1	L2	n-Φ
30	90	110	145	175	18	150	215	4-18
40	90	110	145	175	18	155	220	4-18
50	135	176	210	240	18	155	230	8-18
60	135	176	210	240	20	170	245	8-18
70	135	176	210	240	20	170	260	8-18
80	155	204	240	275	25	175	270	8-22
90	190	234	270	305	24	185	290	8-22
100	190	234	270	305	24	185	280	8-22
110	215	260	295	330	24	205	310	8-22

120	215	260	295	330	24	205	305	8-22
130	215	260	295	330	24	205	310	8-22
140	250	313	350	395	24	205	320	12-22
160	265	313	350	395	28	215	340	12-22
180	310	364	400	445	30	245	375	12-22
200	310	364	400	445	30	245	340	12-22
220	340	422	400	445	30	250	390	16-22

FAQ

Leakage (most common issue)

Leakage at static sealing face: Check if the stationary seal gasket (O‑ring, V‑ring) is aged, deformed or mismatched in size. Replace it with a media‑resistant and temperature‑resistant gasket of the same specification. If the fit clearance between the stationary ring and the gland is too large, re‑machine or replace the stationary ring.
Leakage at dynamic sealing face: Inspect the sealing end faces of the rotating and stationary rings for scratches, wear or chipping. Minor scratches can be repaired by lapping; replace the seal rings directly if severely damaged. Also verify the spring compression: add gaskets if insufficient, reduce gaskets if excessive.
Leakage at shaft sleeve / shaft fit: Check for damage to the shaft sleeve gasket, or excessive fit clearance between shaft sleeve and shaft. Replace the gasket or re‑grind the shaft sleeve.

Abnormal wear

Excessive end face wear: Install a filter if caused by particulate impurities in the medium. For insufficient lubrication, use self‑lubricating seals such as impregnated graphite rings, or introduce external flushing liquid (e.g. clean same medium).
Shaft sleeve wear: Replace the shaft sleeve with wear‑resistant material, and adjust the concentricity between the seal chamber and the shaft to avoid eccentric wear.

Overheating and Burning

Excessively high temperature in seal chamber: Check if the cooling system is clogged and clean the cooling lines. If the medium temperature is inherently high, use high-temperature resistant seal materials (such as silicon nitride ceramic rings and fluororubber gaskets).
Poor end-face contact due to spring failure: Replace fatigued or corroded springs, select corrosion-resistant spring materials such as stainless steel, and ensure uniform spring compression.

Vibration and Abnormal Noise

Misalignment: Recalibrate the concentricity between the pump shaft and motor shaft, and adjust the radial runout of the seal chamber and shaft to within allowable limits.
Loose parts: Check whether the gland bolts and drive pins are loose, tighten the bolts evenly to the specified torque, and replace worn drive pins.

Short Service Life of Seals

Mismatch between material and medium: Replace seal materials according to medium characteristics (e.g., Hastelloy and PTFE for corrosive media; silicon carbide for high-temperature media).
Improper installation: Operate in strict accordance with installation specifications, avoid impact or scratches on the seal pair end faces, and ensure no impurities enter the seal chamber during installation.